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. 27, 1993
Filed:
Dec. 13, 1990
Applicant:
Inventors:
John H Hansen, Greensboro, NC (US);
Phillip H Riggins, Greensboro, NC (US);
Assignee:
Burlington Industries, Inc., Greensboro, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
8120 ; 8192 ; 8194 ; 8195 ; 8196 ;
Abstract
Durable press finishes are applied to cellulosic materials such as cotton by cross-linking a polycarboxylic acid within the cellulosic fibers using a cyanamide compound cross-linker devoid of phosphorus. Wrinkle-resistant, durable cellulosic materials free from formaldehyde odor result.