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:
Jan. 05, 1993
Filed:
Feb. 04, 1988
Applicant:
Inventors:
Junzo Haji, Yokohama, JP;
Ichiro Yokotake, Yokohama, JP;
Takahiro Yamaguchi, Yokohama, JP;
Masato Sato, Yokohama, JP;
Nobuyuki Murai, Yokkaichi, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560244 ;
Abstract
A method for producing an unsaturated glycol diester by reacting molecular oxygen, a carboxylic acid and a conjugated diene in the presence of a solid catalyst containing palladium and tellurium supported on a carrier, wherein an active carbon with the total pore volume of pores having radii of from 18 to 100,000 .ANG. being at least 0.45 cc/g and with the volume of pores having radii of at least 3,000 .ANG. constituting at least 50% of the total pore volume, is used as the carrier for the solid catalyst.