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:
Mar. 07, 2000
Filed:
Dec. 22, 1998
Applicant:
Inventor:
Phillip Moreno, Dalton, MA (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558274 ; 558271 ; 558272 ; 558273 ;
Abstract
A continuous flow process for converting hydroxyaromatic compounds to diaryl carbonates by reaction with oxygen and carbon monoxide in the presence of a catalyst system typically comprising a group VIIIB metal or compound thereof, an inorganic co-catalyst, an organic co-catalyst and a hexaalkylguanidinium bromide or chloride, preferably bromide, wherein at least two components of the catalyst system, preferably lead oxide and hexaalkylguanidinium bromide, are introduced separately into the reactor.
Moreno, Phillip. (2000). Method for the preparation of carbonates by a continuous process (U.S. Patent No. 6034262). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6034262
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile