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. 10, 1983
Filed:
Aug. 27, 1981
Applicant:
Inventors:
Tamechika Yamamoto, Zushi, JP;
Sumio Saitoh, Yokohama, JP;
Hikoji Yoshimura, Yokohama, JP;
Masaru Yoshimura, Yokohama, JP;
Assignee:
Catalysts & Chemicals Ind. Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
523333 ; 523334 ; 524379 ; 524389 ; 524391 ; 524493 ; 524503 ; 524557 ;
Abstract
A coating composition comprising a mixture of an organic solvent solution of polyvinyl butyral and an alcoholic dispersion of substantially spherical colloidal silica. The solid content in said mixture is consisted of 20 to 95% by weight of polyvinyl butyral and 80 to 5% by weight of silica.