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:
Jun. 15, 1976
Filed:
Jul. 25, 1974
Applicant:
Inventor:
William McClements Muir, Gartmore, EN;
Assignee:
Babcock & Wilcox Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
2105 / ; 260 / ; 260 / ; 260 / ; 264 41 ; 264216 ; 526-9 ; 526266 ;
Abstract
This case is directed to the preparation of polyvinyl acetal resins as semi-permeable membranes for use in the treatment of feed solutions by reverse osmosis, ultafiltration or related techinques.