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:
Jun. 26, 1990
Filed:
May. 17, 1988
Applicant:
Inventors:
Takayoshi Masuda, Tokai, JP;
Katuyoshi Asano, Tokai, JP;
Naomi Hori, Chita, JP;
Shinji Ando, Nagoya, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568867 ; 568680 ;
Abstract
In the manufacturing method of ethylene glycol and/or propylene glycol, these glycols can be prepared with a highly selectivity and at a high yield by applying the catalyst comprising a carboxylic acid and a carboxylic acid salt or a metal salt of formic acid alone.