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:
Mar. 05, 2024
Filed:
Aug. 28, 2020
Applicant:
Northrop Grumman Systems Corporation, Falls Church, VA (US);
Inventor:
Robert S. Larson, Harrisville, UT (US);
Assignee:
Northrop Grumman Systems Corporation, Falls Church, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/80 (2006.01); C08F 36/06 (2006.01); C08G 18/48 (2006.01); C08G 18/69 (2006.01); C08G 18/72 (2006.01); C08L 71/08 (2006.01); F02K 9/34 (2006.01);
U.S. Cl.
CPC ...
F02K 9/346 (2013.01); C08F 36/06 (2013.01); C08G 18/4829 (2013.01); C08G 18/69 (2013.01); C08G 18/724 (2013.01); C08G 18/80 (2013.01); C08G 18/8016 (2013.01); C08G 18/8019 (2013.01); C08G 18/8077 (2013.01); C08G 18/8093 (2013.01); C08L 71/08 (2013.01);
Abstract
A precursor formulation of a liner comprising a polymer and at least two curatives is disclosed. One of the at least two curatives comprises a curative formulated to preferentially react with the polymer and the other of the at least two curatives comprises a blocked curative formulated to be substantially unreactive with the polymer. A method of lining a rocket motor is also disclosed, as is a rocket motor including the liner.