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:
Dec. 03, 1991
Filed:
Sep. 19, 1990
Applicant:
Inventor:
Dwight W Chasar, Northfield, OH (US);
Assignee:
The B. F. Goodrich Company, Akron, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524430 ; 524201 ; 524433 ;
Abstract
Cured rubber compositions having reduced nitrosamine content are made with small amounts by weight of an alkaline earth oxide or hydroxide which are utilized in association with secondary amine containing accelerators. The amount of nitrosamine in the cured rubber is often reduced to less than 20 parts per billion.