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:
Jan. 14, 1986
Filed:
Mar. 27, 1985
Applicant:
Inventors:
Albert L Lore, Wilmington, DE (US);
Stuart Raynolds, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
428422 ; 428421 ; 4273934 ; 525200 ; 525276 ; 524520 ; 526245 ;
Abstract
Mixtures of (1) a polymer of at least one polyfluoroalkyl acrylate or methacrylate and (2) a copolymer of (a) at least one polyfluoroalkyl acrylate or methacrylate, (b) at least one 3-chloro- (or 3-bromo-) 2-hydroxypropyl acrylate or methacrylate, (c) at least one alkyl acrylate or methacrylate and (d) at least one polyoxyethylene acrylate or methacrylate. Mixtures are prepared by first polymerizing (1) and then (2) (a)-(d). Mixtures are useful as oil- and water-repellents, particularly for rainwear.