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:
Nov. 19, 1985
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Paul E Liggett, Wooster, OH (US);
Daniel A Chung, North Canton, OH (US);
Assignee:
Goodyear Aerospace Corporation, Akron, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
523466 ; 427386 ; 427387 ; 4273881 ; 4273882 ; 428418 ; 524874 ; 525454 ; 528 61 ; 528 64 ;
Abstract
A method for preparing a polyurethane suitable for lining fuel tanks, said polyurethane having good, fuel resistance and improved hydrolysis resistance by using a ketimine of an aliphatic diamine as a curing agent in a three-component system composed of a prepolymer solution, a cement solution and a curing agent solution.