Patents by Inventor Achille M. BIVIGOU-KOUMBA

Achille M. BIVIGOU-KOUMBA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POLYURETHANE FIBER INCLUDING COPOLYMER POLYOL
    Publication number: 20180305842
    Abstract: Fibers including a polyurethaneurea that is the reaction product of (a) a prepolymer including the reaction product of (i) a polyol including a copolymer of tetrahydrofuran and 3-methyltetrahydrofuran having a number average molecular weight of 1000 to 2000 and (ii) a diisocyanate; and (b) a chain extender, and fabrics and hygiene articles including such fibers.
    Type: Application
    Filed: June 26, 2016
    Publication date: October 25, 2018
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: Hong LIU, Achille M BIVIGOU KOUMBA, Norman J. D'ALLURA, Tianyi LIAO, Andreas J. BLAB, Ronald D. BING-WO
  • POLYURETHANE FIBER INCLUDING COPOLYMER POLYOL
    Publication number: 20180298140
    Abstract: Fibers, fabrics and other articles including a polyurethaneurea that is the reaction product of (a) a prepolymer including the reaction product of (i) a polyol including a copolymer of tetrahydrofuran and 3-methyltetrahydrofuran having a number average molecular weight of 1000 to 2000 and (ii) a diisocyanate; and (b) a chain extender, are provided.
    Type: Application
    Filed: May 10, 2018
    Publication date: October 18, 2018
    Applicant: A&AT LLC
    Inventors: Hong LIU, Achille M. BIVIGOU-KOUMBA, Norman J. D'ALLURA, Tianyi LIAO, Andreas J. BLAB, Ronald D. BING-WO