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:
Oct. 31, 1989
Filed:
May. 15, 1987
Applicant:
Inventors:
James N Pryor, West Friendship, MD (US);
James M Bogdanor, Columbia, MD (US);
William A Welsh, Fulton, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502408 ;
Abstract
Acid-treated amorphous silica has superior properties for the removal of phospholipids and chlorophyll from glyceride oils. The acid-treated adsorbent comprises a high surface area amorphous silica on which is supported an acid having a pK.sub.a of about 3.5 or lower.