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:
Sep. 23, 1997
Filed:
Sep. 22, 1995
Applicant:
Inventors:
Engelbert Pechhold, Chadds Ford, PA (US);
Peter Michael Murphy, Ooltewah, TN (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428267 ; 428265 ; 428266 ; 5253262 ; 5253264 ; 5253267 ; 5253274 ; 5253278 ;
Abstract
The present invention comprises a process for providing soil resistance and resistance to staining by acid dyes to fibers and textiles by simultaneous or sequential application of a sulfonated phenol-formaldehyde condensation product and partial fluoroesters or fluorothioesters formed from copolymers of maleic anhydride and perfluoroalkyl alcohols or perfluoroalkyl thiols.
Quick Actions:
Pechhold, Engelbert. (1997). Treatment of polyamide materials with partial fluoroesters or (U.S. Patent No. 5670246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5670246
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile