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. 11, 1978
Filed:
Dec. 08, 1975
Applicant:
Inventors:
Joseph McClendon Baggett, Freeport, TX (US);
Ruben Louis Krause, Angleton, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 528104 ;
Abstract
A thermoplastic polycarbonate formed by reacting a carbonate precursor such as phosgene, a dihydric phenol, and an epihalohydrin-dihydric phenol prepolymer under polycarbonate forming conditions.