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:
Nov. 14, 1995
Filed:
Jun. 02, 1993
Applicant:
Inventor:
Anna M Czech, Peekskill, NY (US);
Assignee:
OSi Specialties, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428395 ; 428447 ; 524588 ; 528 25 ; 528 26 ;
Abstract
A method is provided to impart stain resistance to a polyamide substrate, which method comprises contacting the substrate with an anionic polysiloxane selected from the group consisting of (A) a polysiloxane having at least one carboxy group, (B) a polysiloxane having at least one phosphonic acid group or a phosphonic salt group, (C) a polysiloxane having at least one carboxy group and at least one sulfonate group, and (D) a mixture of at least two of polysiloxanes (A), (B) and (C).