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:
May. 01, 1975
Applicant:
Inventor:
Robert E Kesting, Irvine, CA (US);
Assignee:
Chemical Systems, Inc., Santa Ana, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; D02G / ;
U.S. Cl.
CPC ...
264 49 ; 81155 ; 2105 / ; 264184 ; 264187 ; 264207 ; 264209 ; 428398 ;
Abstract
A dry-wet process for forming interiorally asymmetric hollow fiber cellulose acetate membranes is disclosed.
Kesting, Robert. (1977). Process for spinning dry-fiber cellulose acetate hollow fiber membranes (U.S. Patent No. 4035459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4035459
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile