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. 09, 1999
Filed:
Sep. 24, 1997
Applicant:
Inventors:
Mohsen Zakikhani, Harborne, GB;
David Robert Walker, Hanburg, GB;
Peter David Hasling, Highley, GB;
Alan Craig Smith, Bedworth, GB;
Keith Philip Davis, West Midlands, GB;
Assignee:
Albright & Wilson UK Limited, West Midlands, GB;
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
252175 ; 210681 ; 210688 ; 210687 ; 252180 ; 521 38 ; 526278 ;
Abstract
Phosphonic acid polymers are prepared from di- or polyphosphonic acids having one or more unsaturated C.dbd.C bonds (e.g. vinylidene-1,1-diphosphonic acid), either as homopolymers or as higher polymers with at least one further compound having unsaturated C.dbd.C bonds (e.g. acrylic acid). The polymers can be used as, or in connection with, flame-retardants, corrosion inhibitors, coatings, cements and ion exchange resins.