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:
Oct. 15, 1985
Filed:
Nov. 15, 1983
Applicant:
Inventors:
Kathleen M McCreedy, Midland, MI (US);
James C Pawloski, Midland, MI (US);
Henno Keskkula, Austin, TX (US);
Edward H Yonkers, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03L / ;
U.S. Cl.
CPC ...
521139 ; 210130 ; 521140 ; 525 65 ; 525 66 ; 525186 ; 525410 ; 525526 ;
Abstract
Miscible blends of poly-2-oxazolines and thermoplastic polymers are disclosed herein. These blends exhibit a single glass transition point indicative of a miscible blend. The blends of this invention are useful as membranes, particularly separation membranes for mixtures of organic compounds or organic compounds and water and a pervaporation process.