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:
Aug. 13, 1996
Filed:
Dec. 21, 1994
Applicant:
Inventors:
George A Knudsen, Scotch Plains, NJ (US);
Elena N Suciu, Ridgewood, NJ (US);
Robert C Michaelson, Kinnelon, NJ (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502152 ; 502 20 ; 502 22 ; 502161 ; 502170 ; 502171 ; 556 88 ; 556 89 ;
Abstract
A process for making a catalyst product which comprises reacting dialkyltin oxide with an alcohol and the corresponding dialkyl carbonate at a temperature in the range between about 50.degree. to 200.degree. C. and at a pressure in the range between about 75 to 600 psi (0.52 to 4.14 MPa), wherein the catalyst product comprises dialkyltin dialkoxide in the range between about 90 to 100 mole % based on the tin species of the catalyst product. This process also forms effective catalyst product when the methanol is replaced with either a primary or secondary alcohol.