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. 23, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Assignee:
Nippon Oil Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525105 ; 528 25 ; 525100 ; 428402 ; 428407 ;
Abstract
A particulate polybutadiene crosslinked material is disclosed along with a process of making the same. The particulate material has a substantially spherical, uniformly shaped configuration and comprises at least part of its surface layer occupied by a reaction product of polybutadiene and a silicone compound.