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:
May. 04, 1976
Filed:
Aug. 09, 1974
Applicant:
Inventor:
Robert Allen Halling, Wilmington, DE (US);
Assignee:
E. I. Du Pont de nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 / ; 2105 / ;
Abstract
Permselective membranes comprising hydrazide-containing aromatic polymers complexed with selected metals that form square planar coordination complexes therewith; the membranes being prepared by reacting the polymer with a salt solution of the selected metal so that the metal is incorporated into the resulting membranes; the membranes being useful, among other things, for the reverse osmosis separation of a salt solute from an aqueous solvent.
Quick Actions:
Halling, Robert. (1976). Permselective membranes of diacyl hydrazide-containing aromatic polymers (U.S. Patent No. 3954607). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3954607
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile