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. 21, 1984
Filed:
Aug. 12, 1982
Applicant:
Inventor:
Rector P Louthan, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528279 ; 525530 ; 528293 ; 528297 ; 528274 ; 560147 ; 560154 ;
Abstract
The addition reaction of hydrogen sulfide with an olefinically unsaturated alkyl carboxylate, to form a product mixture at least 55 weight percent alkyl mercaptoalkanoate, is made immune from significant effects on product selectivity caused by CO.sub.2 contamination of the hydrogen sulfide by selection of the addition catalyst from inorganic and organic bases having an ionization constant greater than 2.0.times.10.sup.-5 at 25.degree. C., such as triethylamine.