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:
Sep. 25, 1990
Filed:
Feb. 03, 1989
Applicant:
Inventors:
Bruce D Zenner, Berkeley, CA (US);
Joseph P Ciccone, Davis, CA (US);
Emory S De Castro, Hercules, CA (US);
Larrie A Deardurff, Corte Medera, CA (US);
John B Kerr, Oakland, CA (US);
Assignee:
Aquanautics Corporation, Alameda, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204129 ; 204130 ; 2041823 ; 204233 ; 204235 ; 25218828 ; 423219 ; 546-2 ; 546 10 ; 546 11 ; 546 12 ; 548101 ; 548108 ; 548109 ; 548402 ; 544-4 ; 556 42 ; 556 45 ; 556 50 ; 556 44 ;
Abstract
Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising linear, pentadentate polyalkylamines and transition metal ions. The carrier compounds have the general formula: ##STR1## where, each of R.sub.1 and R.sub.2 is independently an organic group including a sulfur, an oxygen or a nitrogen coordinated to M;