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:
Apr. 09, 1991
Filed:
Nov. 08, 1989
Applicant:
Inventors:
Walter L Vaughn, Lake Jackson, TX (US);
Thomas J McKeand, Jr, Clute, TX (US);
Robert T Patton, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210755 ; 55279 ; 55524 ; 210764 ; 210501 ; 210504 ; 210508 ; 422 38 ; 422122 ; 514642 ;
Abstract
A water insoluble material useful for making biocidal barriers and biocidal filter for use in fluid systems, said material comprising a water insoluble thermoplastic copolymer consisting of an alpha olefin and an alpha, beta-ethylenically unsaturated carboxylic acid, said copolymer having at least one biocidal agent ionically bonded to said copolymer.