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:
Apr. 20, 1982
Filed:
Sep. 17, 1980
Applicant:
Inventors:
Kiyoshi Otoi, Nagano, JP;
Toshihiro Nasuno, Odawara, JP;
Assignee:
Kanebo, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C08J / ; C09C / ;
U.S. Cl.
CPC ...
1063 / ; 1063 / ; 106309 ;
Abstract
A fibroin-coated pigment and two processes for producing the same are disclosed. The fibroin-coated pigment comprises a carrier pigment in the form of finely divided particles whose surfaces are substantially coated with a film of regenerated fibroin and is characterized in that at least 50% by weight of the regenerated fibroin is constituted of hot-water-insoluble fibroin having the .beta.-configuration.