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. 02, 2003
Filed:
Mar. 01, 1999
Applicant:
Inventor:
Kangzhuang Jian, Allen, TX (US);
Assignee:
Natural Polymer International Corporation, Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/22 ;
U.S. Cl.
CPC ...
B32B 5/22 ;
Abstract
A composite barrier membrane coated on a substrate and membrane is formed by phase inversion technique utilizing a water-insoluble wax and a water-insoluble polymer dissolved in a solvent. The barrier membrane coated upon the substrate is used to control transmembrane transport of a liquid and a gas. The substrate can be a starch based food package material, a protein based food package materials, a natural fabric, a synthetic fabric, or a paper product.
Jian, Kangzhuang. (2003). Integral composite wax-polymer membranes (U.S. Patent No. 6656857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6656857
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile