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:
Dec. 20, 1983
Filed:
Apr. 15, 1982
Applicant:
Inventors:
John L Ohlson, Bedford, MA (US);
Irving E Isgur, Framingham, MA (US);
Assignee:
W. R. Grace & Co., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C09B / ; D06M / ; D06P / ;
U.S. Cl.
CPC ...
428394 ; 8554 ; 427322 ; 4273899 ; 428378 ; 428392 ; 428395 ; 4284237 ; 4284248 ; 4284256 ;
Abstract
A polyurethane polymer amine salt is used as a dyeing aid by pretreating a woven or non-woven textile material containing at least partially or wholly synthetic textile materials or by incorporating a solution of the polyurethane polymer amine salt into the dyeing bath.