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. 07, 1992
Filed:
May. 15, 1991
Applicant:
Inventors:
Peter J Degen, Huntington, NY (US);
Thomas C Gsell, Glen Cove, NY (US);
Jeffrey K Chambers, Huntington, NY (US);
Assignee:
Pall Corporation, Glen Cove, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210638 ; 210651 ; 210490 ; 21050038 ;
Abstract
Microporous membranes having positive zeta potentials in alkaline pH are provided by radiation grafting diallyldimenthylammonium dimethyl ammonium chloride to the surraces of a microporous, polyamide membrane using ionizing radiation. The membranes have particular use in microelectronics manufacture where quick rinse up times with ultrapure water are required.
Degen, Peter. (1992). Microporous membrane, method of manufacture, and method of use (U.S. Patent No. 5128041). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5128041
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile