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. 25, 1976
Filed:
May. 27, 1975
Applicant:
Inventors:
Tetsuo Okaniwa, Minoo, JA;
Sadaharu Abeta, Toyonaka, JA;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8 26 ; 8 41 / ; 8168 / ; 8 64 ;
Abstract
A process to dye acid modified polyester fibers, such as Dacron T-64 fibers, a dischargeable black by dyeing the fibers with a mixture of six different basic dyes.