Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POLYURETHANES WITH REDUCED COBALT EXTRACTABLES
Document Type and Number:
WIPO Patent Application WO/2022/015638
Kind Code:
A9
Abstract:
Polyurethanes are made by curing a reaction mixture containing a polyether polyol that contains residues of a zinc hexacyanocobaltate catalyst complex. The reaction mixture contains certain chelating agents in small quantities. The amount of cobalt that is extractable from the polyurethane is reduced.

Inventors:
GRZESIAK ADAM (US)
STROTHER JACOB (US)
MCDOUGAL NOLAN (US)
KEATON RICHARD (US)
LAITAR DAVID (US)
ROSEN MARI (US)
AOU KAORU (US)
WILLUMSTAD THOMAS (US)
Application Number:
PCT/US2021/041254
Publication Date:
March 10, 2022
Filing Date:
July 12, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
International Classes:
C08G18/16; B01J27/26; B01J31/06; C08G18/18; C08G18/24; C08G18/30; C08G18/48; C08G18/76; C08G65/26; C08K5/098; C08K5/17; C08K5/54; C08L75/08
Attorney, Agent or Firm:
COHN, Gary, C (US)
Download PDF: