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. 03, 1987
Filed:
Oct. 04, 1985
Applicant:
Inventors:
Edward L Kay, Akron, OH (US);
Richard Gutierrez, Canal Fulton, OH (US);
Assignee:
The Firestone Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524 77 ; 524505 ; 524518 ; 524525 ; 524571 ; 524575 ;
Abstract
Synthetic rubber is thermooxidatively stabilized with guayule resin. The guayule resin imparts favorable stabilization as evidenced by minimum bulk viscosity changes and minimum gel formation, especially with styrene-butadiene synthetic elastomers prepared by emulsion or hydrocarbon solvent techniques.