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:
Oct. 22, 1996
Filed:
Apr. 17, 1995
Applicant:
Inventors:
Andrew J Caruso, Schenectady, NY (US);
Julia L Lee, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
549388 ; 558274 ; 568749 ;
Abstract
Organic values are salvaged from scrap polycarbonate by heating in the presence of an acid catalyst and a C.sub.1-4 alkyl phenol such as m- or p-cresol. Among the compounds which can be salvaged are polyalkylated xanthenes, phenol and diaryl carbonate.
Caruso, Andrew. (1996). Method for recovering phenol and xanthene values from waste polycarbonate (U.S. Patent No. 5567829). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5567829
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile