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. 20, 1994
Filed:
Jan. 07, 1994
Applicant:
Inventor:
Yashavant V Vinod, Hockessin, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 95 ; 156278 ; 156280 ; 428 96 ;
Abstract
This invention relates to methods for making a carpet having a secondary backing which is substantially impervious to aqueous solutions. The process involves applying a fluorochemical onto the underside of a secondary backing material, followed by drying and curing of the fluorochemical. This invention also includes the resultant carpets prepared from such a process.