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:
Apr. 19, 1977
Filed:
Aug. 09, 1974
Applicant:
Inventors:
Quintin P Peniston, Bainbridge Island, WA (US);
Edwin Lee Johnson, Issaquah, WA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 36 ; 210 75 ; 210502 ; 55 74 ; 55528 ; 131269 ; 423245 ;
Abstract
This disclosure is concerned with the use of chitosan as a coating or packing in fluid filtration and other systems to provide a high ratio of surface-to-volume of reactive material that exposes a maximum number of reactive amino groups for rapid reaction with fluid media passed therethrough.