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. 16, 1993
Filed:
Jul. 15, 1991
Applicant:
Inventors:
Yutaka Watanabe, Yokohama, JP;
Kazuo Aoyama, Kawasaki, JP;
Hisanobu Niwata, Sagamihara, JP;
Sumio Ikeda, Yokohama, JP;
Katuaki Ishikawa, Yokohama, JP;
Yoshiteru Kato, Kamakura, JP;
Assignees:
Nippon Oil Company, Limited, Tokyo, JP;
Nippon Petrochemicals Company, Limited, Tokyo, JP;
Nippon Hodo Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523209 ; 524275 ; 524277 ;
Abstract
A cushion or trackbed material for use in a riding-ground is obtained by coating sand with a carboxyl-containing olefin polymer and an oxygen-containing wax.