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. 30, 2001
Filed:
Jun. 28, 1999
Applicant:
Inventors:
Toshio Hidaka, Tsukuba, JP;
Katsumi Higuchi, Tsukuba, JP;
Nobuyuki Koike, Tsukuba, JP;
Yasushi Miki, Tsukuba, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
Methylamines are prepared from methanol and ammonia in the presence of modified molecular sieve catalysts obtained by mixing crystalline molecular sieves such as SAPO with modifiers such as titanium oxide. The catalysts are also suitably used for a disproportionation reaction of monomethylamine.
Hidaka, Toshio. (2001). Catalysts for producing methylamines and methods for producing methylamines using the same (U.S. Patent No. 6180828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6180828
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile