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:
Nov. 09, 1976
Filed:
Jan. 15, 1975
Applicant:
Inventors:
Pierre Rene Heymes, Paris, FR;
Rudolf Pelzer, Herzogenrath, DT;
Assignee:
Saint-Gobain Industries, Neuilly-sur-Seine, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
65 23 ; 65 24 ; 65 6 / ; 65 91 ; 65 9 / ; 156246 ; 264212 ; 264216 ; 427154 ;
Abstract
An improved method of making films, sheets or plates of a transparent plastics material of high optical quality comprises depositing a solution, molten mass or reaction mixture which yields the solid plastics on drying or hardening on a moving glass ribbon having a smooth upper surfce. The ribbon may be made by the float glass process. The plurality of plastics layer may be deposited one on another.
Heymes, Pierre. (1976). Manufacture of plastics sheets (U.S. Patent No. 3990876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3990876
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile