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. 20, 1984
Filed:
Feb. 22, 1983
Applicant:
Inventor:
Stephen E Jacobson, Morristown, NJ (US);
Assignee:
The Halcon SD Group, Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549230 ; 549229 ; 549549 ; 549524 ; 549518 ;
Abstract
A process for the production of alkylene carbonates, such as propylene carbonate, is disclosed. The process involves reacting the desired olefin with a thallic oxide or a weak acid thallic salt with carbon dioxide in an aqueous, organic solvent containing, halogen-free system.