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:
Oct. 06, 2009
Filed:
Apr. 21, 2008
Applicant:
Michael A. Cosman, Valencia, CA (US);
Inventor:
Michael A. Cosman, Valencia, CA (US);
Assignee:
PRC DeSoto International, Inc., Glendale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 81/02 (2006.01); C08L 81/04 (2006.01); C08F 28/00 (2006.01); C08F 28/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.