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:
Dec. 18, 1990
Filed:
Sep. 05, 1989
John A Taylor, Pinckney, MI (US);
Separation Dynamics, Inc., Southfield, MI (US);
Abstract
A supported composite membrane (10) includes a porous support membrane (12) forming a first layer for structurally supporting a second membrane thereon. The porous support membrane (12) includes two sides (14,16) and a plurality of pores (18) extending therethrough providing fluid communication between the two sides (14,16). A nonporous water and water soluble substance permeating membrane (20) is disposed over each of the pores (18) for selectively permeating only water and water soluble substances through each of the pores (18). A method of making the membrane (10) includes the steps of forming a porous support material (12) into a first layer, and adhering a nonporous water and water soluble substance permeating membrane (20) over each of the pores (18) for selectively permeating only water and water soluble substances through each of the pores (18).