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:
May. 16, 2000
Filed:
Nov. 25, 1997
Applicant:
Inventors:
Kazuhiko Kawamura, Akashi, JP;
Tamisuke Kimura, Kobe, JP;
Akihiko Hamada, Kakogawa, JP;
Yoshiaki Miyamoto, Kobe, JP;
Maiko Okada, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ;
U.S. Cl.
CPC ...
523166 ; 5245755 ; 524926 ; 528932 ; 435267 ;
Abstract
A puncture sealing agent for sealing an inner surface of a tire comprises a deproteinized rubber latex that is formed by removing protein from a natural rubber latex. The puncture sealing agent includes nitrogen content at 0.1 wt. % or less of rubber solid content of the deproteinized rubber latex, and ammonia content at 0.5 wt. % or less of the rubber solid content.