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. 25, 1986
Filed:
Jun. 03, 1985
Applicant:
Inventor:
Nabil Rizkalla, River Vale, NJ (US);
Assignee:
The Halcon SD Group, Inc., Little Ferry, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562406 ; 562497 ; 562522 ; 260413 ; 560114 ; 560233 ;
Abstract
A carboxylic acid, such as propionic acid, is prepared by carbonylation of an olefin, such as ethylene in the presence of water by the use of a molybdenum-nickel-alkali metal, tungsten-nickel alkali metal, or chromium-nickel-alkali metal co-catalyst in the presence of a halide.
Rizkalla, Nabil. (1986). Preparation of carboxylic acids (U.S. Patent No. 4625055). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4625055
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile