The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 2017
Filed:
Oct. 29, 2013
Applicant:
Prc-desoto International, Inc., Sylmar, CA (US);
Inventors:
Chandra Rao, Valencia, CA (US);
Renhe Lin, Stevenson Ranch, CA (US);
Assignee:
PRC-DeSoto International, Inc., Sylmar, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/04 (2016.01); C08G 75/045 (2016.01); C09K 3/10 (2006.01); C08L 81/00 (2006.01);
U.S. Cl.
CPC ...
C08G 75/045 (2013.01); C08L 81/00 (2013.01); C09K 3/1012 (2013.01); C08G 2190/00 (2013.01);
Abstract
Sulfur-containing polymer adducts such as polythioethers, polysulfides, and sulfur-containing polyformals having terminal maleimide groups, and in particular, sulfur-containing polymers and sulfur containing adducts having terminal 1,1'-(methylenedi-4,1-phenylene)bismaleimide groups are disclosed. The adducts provide cured sealants having improved tensile strength and elongation and are useful as aerospace sealants.