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:
Jun. 06, 1989
Filed:
Aug. 04, 1988
Applicant:
Inventors:
Geoffrey B Cox, Wilmington, DE (US);
Richard W Stout, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; B01D / ;
U.S. Cl.
CPC ...
502408 ; 55 67 ; 55386 ; 2101982 ; 210656 ; 423335 ; 502 10 ; 502407 ;
Abstract
The porosity of a porous silica body is increased in a controlled manner by contacting the body with an effective amount of ammonium bifluoride.
Quick Actions:
Cox, Geoffrey. (1989). Process for porosity control and rehydroxylations of silica bodies (U.S. Patent No. 4837195). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4837195
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile