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:
Oct. 13, 1981
Filed:
Oct. 02, 1979
Applicant:
Inventor:
Michael J Kenney, Sutton Coldfield, GB;
Assignee:
Dunlop Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 1523 / ; 152347 ; 260 / ;
Abstract
Compositions for application to the interior surface of the tread of a pneumatic tire to facilitate relative movement between contacting portions of the interior surface when the tire is driven deflated, comprise a polybutene, an acrylic polymer or a polyolefin as a gelling agent for the polybutene, and a particulate solid puncture sealing material. Preferred gelling agents are polyethylenes, especially a mixture of high density and low density polyethylenes. Examples of suitable puncture sealing materials are rubber crumb and wood flour.