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. 12, 1977
Filed:
Jan. 15, 1975
Applicant:
Inventors:
Paul R Scott, Houston, TX (US);
Wilmer D Johnston, Houston, TX (US);
Jerome L Kyrish, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
21 6 / ; 220218 ;
Abstract
The evaporation of volatile non-aqueous liquids is inhibited by a floating layer of expanded cereal grains optionally treated with fluorocarbons or perlite treated with fluorocarbons.