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:
May. 08, 1990
Filed:
Apr. 28, 1988
Applicant:
Inventors:
Lucienne Ravaine, Gieres, FR;
Michel B Armand, Echirolles, FR;
Yves Charbouillot, Coligny, FR;
Abdelkader Hammou, Grenoble, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 38 ; 528 30 ; 528 39 ; 556413 ; 556424 ; 556427 ; 556450 ; 556459 ;
Ravaine, Lucienne. (1990). Compositions based on derivatives of silica modified by organic groups, (U.S. Patent No. 4923950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4923950
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile