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:
Jul. 19, 1994
Filed:
Dec. 07, 1992
Jianxin Wu, Elkridge, MD (US);
David M Chapman, Ellicott City, MD (US);
Robert R Gatte, Columbia, MD (US);
W. R. Grace & Co.-Conn., New York, NY (US);
Abstract
Zeolite L is made from an aqueous precursor mixture that contains from 0.1 to about 10% by weight of an amorphous aluminosilicate seeding gel which does not contain zeolite L. Using this mixture zeolite L can be made in a much shorter time than with a synthesis mixture without the seeding gel, and with substantially no zeolite T impurity. When made at temperatures below about 120.degree. C the zeolite. L has a disk-shaped morphology which is substantially free of zeolite T (offretite type).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile