TREA

Wen J. Cheng

Follow

Person

  • Midland, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the preparation of cross-linked polysaccharide ethers
    • Patent number 4,321,367
    • Issue date Mar 23, 1982
    • The Dow Chemical Company
    • Wen-Jiu Cheng
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Viscosity reduction of cellulose derivatives
    • Patent number 4,061,859
    • Issue date Dec 6, 1977
    • The Dow Chemical Company
    • Wen-Jiu Cheng
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Capsule shell
    • Patent number 4,026,986
    • Issue date May 31, 1977
    • The Dow Chemical Company
    • Jimmie Duane Christen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents