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:
Feb. 13, 1979
Filed:
Oct. 03, 1977
Applicant:
Inventors:
Leo Kim, Houston, TX (US);
Timm E Paxson, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568679 ; 568619 ;
Abstract
In the process of reacting olefins with (poly)alkylene glycols in the prsence of acid catalysts to produce the corresponding (poly)alkylene glycol monoalkyl ether, the improvement which comprises carrying out the reaction in the presence of sulfur dioxide.
Kim, Leo. (1979). Secondary alcohol ethoxylate process (U.S. Patent No. 4139566). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4139566
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile