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:
Nov. 02, 1976
Filed:
May. 21, 1973
Applicant:
Inventors:
Laurence B Marantz, Sherman Oaks, CA (US);
Mario G Giorgianni, Santa Ana, CA (US);
Assignee:
CCI Life Systems, Inc., Van Nuys, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 / ; 195D / ; 2103 / ;
Abstract
Urease is adsorbed in an aqueous environment on a urease retaining material selected from the group comprising aluminum oxide and magnesium silicate and is thereafter insoluble so that when contacted by liquid containing urea, the urea is converted into ammonium carbonate while the urease remains adsorbed on the retaining material.