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:
Aug. 09, 1983
Filed:
Aug. 28, 1979
Applicant:
Inventor:
Jean-Marie Pouchol, Lyon, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
523310 ; 524803 ;
Abstract
Aqueous dispersions of particulate polyvinylbutyral are disclosed, said dispersions comprising an amount of hydrosolubles dissolved in the aqueous phase thereof, the content in the dispersions of said dissolved hydrosolubles being less than about 2.5% by weight, based upon the weight of the polyvinylbutyral. Said dispersions are useful in the formulation of certain coating compositions, e.g., paints and varnishes.
Pouchol, Jean-Marie. (1983). Aqueous dispersions of polyvinylbutyral having low content of (U.S. Patent No. 4397969). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4397969
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