Title:
POWDER OF 2,2',3,3',5,5'-HEXAMETHYLBIPHENYL-4,4'-DIOL BIS(TRIMELLITATE ANHYDRIDE)
Document Type and Number:
WIPO Patent Application WO/2022/176821
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a powder of 2,2',3,3',5,5'-hexamethylbiphenyl-4,4'-diol bis(trimellitate anhydride) having satisfactory handleability and a method for producing the powder. The powder of 2,2',3,3',5,5'-hexamethylbiphenyl-4,4'-diol bis(trimellitate anhydride) has an average particle diameter of 10-40 μm.
Inventors:
TANAKA TAIKI (JP)
Application Number:
PCT/JP2022/005785
Publication Date:
August 25, 2022
Filing Date:
February 15, 2022
Export Citation:
Assignee:
HONSHU CHEMICAL IND (JP)
International Classes:
C07D307/89
Domestic Patent References:
| WO2014046180A1 | 2014-03-27 |
Foreign References:
| JP2014001394A | 2014-01-09 |
Other References:
MUKUTA TAKASHI, YOSHITAKA SHIMOJO, KUNIAKI GOTOH: "Crystallization Conditions of Crystal Agglomerates Suitable for Filtration Separation", FUNTAI-KōGAKKAI-SHI = JOURNAL OF THE SOCIETY OF POWDER TECHNOLOGY, JAPAN, FUNTAI KOGAKKAI (SOCIETY OF POWDER TECHNOLOGY), KYOTO, vol. 43, no. 12, 10 December 2006 (2006-12-10), Kyoto , pages 882 - 889, XP055961242, ISSN: 0386-6157, DOI: 10.4164/sptj.43.882
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
Download PDF:
Previous Patent: CHARGING ROLL FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Next Patent: METHOD FOR PRODUCING HEAT DISSIPATION MEMBER
Next Patent: METHOD FOR PRODUCING HEAT DISSIPATION MEMBER