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:
Jul. 22, 1986
Filed:
Jul. 30, 1984
Applicant:
Inventors:
Assignee:
Rhone-Poulenc Specialites Chimiques, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09G / ;
U.S. Cl.
CPC ...
106-3 ; 51308 ; 51309 ; 156D / ; 423263 ;
Abstract
Cerium based glass polishing compositions, well adapted for the polishing, e.g., of optical glass, are comprised of (i) at least one crystalline phase of CeO.sub.2 type, and (ii) a crystalline phase which comprises a rare earth pyrosilicate having the formula Ln.sub.2-x Ce.sub.x Si.sub.2 O.sub.7, wherein Ln is at least one lanthanide or yttrium and x is a number ranging from zero to less than 2.
Quick Actions:
Melard, Pierre. (1986). Cerium based glass polishing compositions (U.S. Patent No. 4601755). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4601755
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile