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:
Sep. 06, 1988
Filed:
Sep. 28, 1987
Applicant:
Inventors:
Francis Tastu, Nieul/sur/Mer, FR;
Pierre Melard, Courbevoie, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09G / ;
U.S. Cl.
CPC ...
106-3 ; 51308 ; 51309 ;
Abstract
Cerium-based polishing compositions, well adapted for the rapid and efficient polishing of organic glass surfaces, e.g., plastic ophthalmic lenses and plastic sheet material, are comprised of intimate admixture of particulate ceric oxide and a water soluble cerous salt.
Quick Actions:
Tastu, Francis. (1988). Ceric oxide/cerous salt organic glass polishing compositions (U.S. Patent No. 4769073). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4769073
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