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:
Oct. 18, 2005
Filed:
Sep. 13, 2000
Jean-marc Suau, Lucenay, FR;
Christian Jacquemet, Lyons, FR;
Jean-bernard Egraz, Ecully, FR;
Jacques Mongoin, Quincieux, FR;
Jean-Marc Suau, Lucenay, FR;
Christian Jacquemet, Lyons, FR;
Jean-Bernard Egraz, Ecully, FR;
Jacques Mongoin, Quincieux, FR;
Coatex S.A., Genay, FR;
Abstract
A method of obtaining homopolymers and/or copolymers in aqueous solution by the use of phosphorous acid and/or its salts or sodium hypophosphite and by neutralization during the polymerisation of the ethylenically unsaturated monomers by the continuous addition, first of all, of bases such as sodium hydroxide, potassium hydroxide or lithium hydroxide and then bases of alkaline earths such as calcium hydroxide, magnesium hydroxide, calcium oxide or magnesium oxide. The polymers obtained by the said method and uses thereof.