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WO/2024/097121A1 |
The present disclosure is directed to a non-pneumatic tire assembly having a sidewall portion made from a copolyether-ester. The non-pneumatic tire assembly comprises complementary annular inboard and outboard tire casing segments. Each ...
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WO/2024/095549A1 |
This invention provides a rubber material capable of obtaining a rubber member excellent in mechanical characteristics and low-loss properties, while using rubber powder. Provided is a rubber material comprising rubber powder (A) dispers...
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WO/2024/090556A1 |
A polymer composition comprising a first polymer, which comprises aromatic vinyl units and butadiene units and satisfies requirements (x) and (y), and a second polymer, which comprises aromatic vinyl units and butadiene units, satisfies ...
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WO/2024/084386A1 |
The present invention relates to compositions for elastomeric tyre compounds, comprising particular cross-linking functionalising agents comprising at least one tetrazole functionality and at least one carbene or nitrene precursor, chara...
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WO/2024/085032A1 |
[Problem] To provide: a rubber material for tires which achieves an excellent balance among wear resistance, low fuel consumption and wet grip performance; a master batch and a rubber composition for tires, each of which is suitable for ...
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WO/2024/080243A1 |
Provided is a tire rubber composition that is capable of improving wet gripping performance without losing wear resistance, and imparting excellent operating performance. The tire rubber composition is obtained by blending, into 100 part...
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WO/2024/080242A1 |
Provided is a tire rubber composition capable of increasing gripping force without compromising wear resistance and steering stability. In the tire rubber composition, 3-100 parts by mass of an aromatic hydrocarbon resin satisfying the c...
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WO/2024/074401A1 |
The present invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler containing pyrolysis carbon black, a cross-linking system, between 1 and 30 phr of an epoxy resin and between 0.5 and 15 ph...
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WO/2024/074787A1 |
The present invention relates to a tyre (10) comprising a rubber composition in the beads or in the tread, which composition is based on: - an elastomer matrix comprising predominantly, by weight, natural rubber; - at least 65 phr of rei...
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WO/2024/074784A1 |
The present invention relates to a tyre comprising two beads, wherein at least one of the beads comprises a rubber composition based on: - at least one elastomer; - from 60 to 100 phr of reinforcing fillers, including from 15 to 70 phr o...
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WO/2024/074785A1 |
The present invention relates to pneumatic tyres and more particularly to the outer sidewalls of tyres, i.e. by definition, to the elastomeric layers located radially on the outside of the tyre which are in contact with the ambient air.
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WO/2024/074480A1 |
The invention relates to a composite based on at least one textile reinforcing element embedded in a matrix based on polyvinyl chloride, a plasticizer, a heat stabilizer and a phenol-aldehyde resin based on: at least one aromatic polyphe...
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WO/2024/071407A1 |
[Problem] To provide a silane compound from which a rubber composition which exhibits an excellent balance between viscoelasticity and wear resistance can be obtained. [Solution] A silane compound according to the present invention is re...
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WO/2024/070779A1 |
The purpose of the present invention is to provide a PET fiber-rubber composite that achieves excellent strength and excellent low rolling resistance when applied to a tire, without increasing the total fineness of cords or sheet thickne...
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WO/2024/073590A1 |
An improved rubber composition having improved extrudate properties and exhibiting superior tolerance to aging when subject to multi-step mixing process and in particular to a mixing process where the rubber composition is mixed in a fir...
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WO/2024/063027A1 |
The present invention addresses the problem of providing: a crosslinked rubber in which the amount of metal oxide is reduced while also suppressing vulcanization reversion due to over-vulcanization; and a tire using said crosslinked rubb...
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WO/2024/060640A1 |
The present invention provides a modified epoxidized rubber, a preparation method therefor, and use thereof. The modified epoxidized rubber is obtained from the following components: an epoxidized rubber or an epoxidized elastomer and a ...
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WO/2024/059441A1 |
Methods for controlling molecular weight distribution of elastomer compositions and, in particular isobutylene-based elastomer compositions, particularly for use in tire compositions such as innerliners. A polymerization medium comprisin...
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WO/2024/058265A1 |
A conjugated diene polymer which comprises, relative to all the repeating units, 45 to 99% by mass of a repeating unit (a) that is derived from a conjugated diene compound, 0 to 40% by mass of a repeating unit (b) that is derived from an...
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WO/2024/053435A1 |
Provided are a method for manufacturing a steel wire and a method for manufacturing a steel cord, in which initial adhesion to rubber and resistance to deterioration are excellent in steps that have low environmental impact. A steel wire...
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WO/2024/038878A1 |
[Problem] To provide a rubber composition which enables a tire to have excellent wear resistance, wet grip performance and on-ice performance. [Solution] A rubber composition according to the present invention is characterized by contain...
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WO/2024/038830A1 |
Provided is a rubber composition for tires which is excellent in terms of wear resistance and wet performance and has excellent moldability. The rubber composition is one obtained by incorporating 50-150 parts by mass of silica and 10-80...
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WO/2024/039175A1 |
The present invention relates to: a hydrogenated petroleum resin capable of improving both braking characteristics and fuel efficiency of a tire tread rubber composition; and the tire tread rubber composition comprising same.
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WO/2024/038812A1 |
Provided is a tire rubber composition which is excellent in terms of wear resistance, wet performance, and low rolling resistance, for which the low rolling resistance has little temperature dependence, and which is excellent in terms of...
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WO/2024/038876A1 |
[Problem] To provide a rubber composition that improves the wear resistance of a tire and that has excellent wet grip or excellent cut and chip resistance. [Solution] The rubber composition according to the present invention contains a r...
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WO/2024/038877A1 |
[Problem] To provide a rubber composition which can improve abrasion resistance, grip retention properties, wet grip properties and dry grip properties of a tire. [Solution] The rubber composition according to the present invention is ch...
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WO/2024/038880A1 |
[Problem] To provide a rubber composition which can give tires improved in wear resistance, wet grip performance, steering stability, and running performance on ice- or snow-covered roads. [Solution] This rubber composition comprises: a ...
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WO/2024/034673A1 |
This conjugated diene-based polymer satisfies the following to . The Mooney viscosity measured at 100ºC is 80-170. The Mooney stress-relaxation rate (MSR) measured at 100ºC is 0.30-0.80. A downward convex extreme value is shown in a br...
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WO/2024/029624A1 |
A modified conjugated diene polymer that contains a structural unit derived from a conjugated diene compound and a structural unit derived from an aromatic vinyl compound, in which, when the glass transition temperature measured in accor...
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WO/2024/025591A1 |
A tire tread composition includes a base tire tread composition for tire treads and a tread additive composition. The tread additive composition includes an elastomeric component which includes a first silane-grafted polyolefin. In a ref...
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WO/2024/023466A1 |
The present invention relates to a tire having a radial carcass reinforcement. The tire comprises, between the reinforcing elements of the carcass reinforcement and the cavity of the tire, a rubber mixture comprising a composition based ...
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WO/2024/023467A1 |
The present invention relates to a tire having a radial carcass reinforcement. The tire comprises, between the reinforcing elements of the carcass reinforcement and the cavity of the tire, a rubber mixture comprising a composition based ...
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WO/2024/023465A1 |
The present invention relates to a tire with radial carcass reinforcement. The tire comprises, between the reinforcing elements of the carcass reinforcement and the cavity of the tire, a rubber blend comprising a composition based on: an...
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WO/2024/017445A1 |
A cross-linkable rubber mixture containing: a) at least one synthetic diene rubber, the styrene content of the rubber or rubbers - in relation to the total amount of rubber - being 0% to 13%, b) a filler, c) a poly- or oligomer having a ...
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WO/2024/013246A1 |
The present invention generally relates to elastomer compositions comprising at least one sp2 hybridized carbon allotrope and a 2,5- disubstituted pyrrole derivative, preferably provided as a pre-formed adduct, the process for their prep...
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WO/2024/015956A1 |
A silane-based additive, rubber formulations including the additive and tires having tread portions made with the additive, together with methods of forming those products, are provided. Uncured rubber formulations in accordance with pre...
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WO/2024/010010A1 |
The purpose of the present invention is to provide: a polymer composition which exhibits excellent cold flow resistance and has a low viscosity; a method for producing same; a rubber composition containing said polymer composition; and a...
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WO/2024/010009A1 |
The present invention addresses the problem of providing a polymer composition having excellent cold-flow resistance, a method for producing the polymer composition, a rubber composition including the polymer composition, and a tire obta...
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WO/2024/009793A1 |
This conjugated diene polymer has an entanglement molecular weight of 2400 g/mol to 3000 g/mol, a Mooney viscosity measured at 100°C of 40 or higher, a Mooney stress relaxation (MSR) of 0.8 or higher, and a vinyl aromatic monomer unit c...
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WO/2024/003235A1 |
The present invention relates to a rubber composition based on at least one elastomer matrix, a reinforcing filler, a vulcanization system and a plasticizing system comprising at least one specific fatty acid ester that has a weight-aver...
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WO/2024/005029A1 |
Provided is a vulcanized rubber composition for tires which has excellent on-ice performance. In order to address the problem described above, this vulcanized rubber composition for tires is characterized by: having been obtained by vulc...
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WO/2024/003232A1 |
The present invention relates to a rubber composition based on at least one elastomer matrix, a reinforcing filler, a vulcanization system and a plasticizing system comprising at least one estolide having a weight-average molar mass (Mw)...
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WO/2024/003230A1 |
The invention relates to a rubber composition based on at least: - 100 phr of an elastomer matrix comprising an isoprene elastomer and a butadiene elastomer; - 20 to 120 phr of a reinforcing filler comprising carbon black as the predomin...
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WO/2024/003226A1 |
The invention relates to a rubber composition based on at least: - 100 phr of an elastomer matrix comprising an isoprene elastomer and a butadiene elastomer; - 20 to 120 phr of a reinforcing filler comprising carbon black as the predomin...
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WO/2023/248826A1 |
The present invention improves grip performance on ice- and snow-covered road surfaces. This tire comprises a tread section. A cap rubber layer forming the tread section is formed of a rubber composition that contains, in 100 parts by ma...
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WO/2023/247199A1 |
The invention relates to a rubber composition comprising a diene elastomer, a reinforcing filler and a compound of formula (I) or (II), in which formulas n is an integer from 2 to 4,n' is an integer from 1 to 3, m is an integer greater t...
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WO/2023/247369A1 |
The invention relates to rubber blends that contain, in addition to fillers and cross-linking agents, 50 to 100 phr of at least one functionalized synthetic rubber and 0.5 to 20 phr of the at least one ethoxylated compound of formula (I)...
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WO/2023/247198A1 |
The invention relates to a rubber composition which comprises a diene elastomer, a first silica which is a precipitated or fumed silica and which has a BET specific surface area of greater than 100 m2/g as reinforcing filler, a second si...
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WO/2023/247405A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/248655A1 |
The present invention improves ride comfort performance during high-speed travel. The present invention provides a tire comprising a tread section, wherein: a cap rubber layer forming the tread section is formed from a rubber composition...
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