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:
Apr. 18, 2000
Filed:
Dec. 15, 1998
Applicant:
Inventors:
Kenji Okamoto, Tokuyama, JP;
Takashi Nakagawa, Tokuyama, JP;
Hideaki Mimaki, Tokuyama, JP;
Kouji Tomita, Tokuyama, JP;
Assignee:
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562598 ;
Abstract
There is disclosed a process for prevention the polymerization of a vinyl compound selected from acrylic acid and methacrylic acid which comprises allowing at least one corrosion inhibitive substance selected from an alcohol and inorganic acid or salt thereof, an aromatic carboxylic acid or salt thereof and a zinc-containing salt to coexist with a metallic salt of dithiocarbamic acid, in prevention the polymerization of the vinyl compound with the metallic salt of dithiocarbamic acid.