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:
Mar. 26, 1985
Filed:
Dec. 28, 1983
Applicant:
Inventors:
Shigeo Yoshinaka, Niigata, JP;
Tsukasa Toki, Niigata, JP;
Tomoji Tsuji, Niigata, JP;
Seiji Uchiyama, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568811 ; 568814 ;
Abstract
Xylyleneglycol is produced by diazotization reaction of xylylenediamine in the presence of more than 5 parts by weight of water per 1 part of xylylenediamine, while maintaining the PH of the reaction mixture in the range of 1.5 to 5.0.