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. 19, 2000
Filed:
Feb. 11, 1999
Applicant:
Inventors:
John J Fitzgerald, Newark, DE (US);
Thomas Clark Felder, III, Kennett Square, PA (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 ...
428341 ; 428421 ; 428442 ; 428446 ; 428514 ; 4285371 ; 428540 ; 428541 ;
Abstract
A method for imparting water, oil or stain repellency to HARD SURFACES comprising application to the surface of an effective amount of a composition comprising monomers copolymerized in the following percentages by weight: (a) from about 40% to about 90% of at least one monomer of formula I: