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:
Feb. 24, 1981
Filed:
Jan. 17, 1979
Applicant:
Inventors:
Robert W Dale, Belfast, GB;
John J Rooney, Belfast, GB;
Assignee:
Gallaher Limited, Belfast, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
2524 / ; 2524 / ; 252463 ; 2524 / ;
Abstract
A catalyst is made by creating a deficiency of hydroxyl groups in a hydroxyl containing support and contacting the support, while thus activated with a solution of a substance providing a catalytically active material. Generally the catalyst is made by contacting the solution with freshly crushed pellets of, for instance, a zeolite.
Dale, Robert. (1981). Catalysts (U.S. Patent No. 4252687). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4252687
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile