Patents by Inventor Collins Wettey

Collins Wettey 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).

  • Production of low-emission polyurethanes
    Patent number: 10590228
    Abstract: The use of a mixture (M) comprising nitrogen compound(s) in the preparation of polyurethanes, especially polyurethane foams, wherein said mixture (M) comprises the following constituents: (a) N,N-dimethylaminopropylamine, at least in an amount of ?5% by weight, advantageously in an amount of ?20% by weight, preferably 20%-95% by weight, further preferably 30%-70% by weight, especially 30%-60% by weight, and (b) at least one solvent, especially water, advantageously in a total amount of ?5% by weight, preferably ?10% by weight, more preferably 10%-60% by weight, especially 10%-40% by weight, % by weight based in each case on the overall mixture (M), is described.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 17, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Günther, Mladen Vidakovic, Collins Wettey
  • PRODUCTION OF LOW-EMISSION POLYURETHANES
    Publication number: 20180044463
    Abstract: The use of a mixture (M) comprising nitrogen compound(s) in the preparation of polyurethanes, especially polyurethane foams, wherein said mixture (M) comprises the following constituents: (a) N,N-dimethylaminopropylamine, at least in an amount of ?5% by weight, advantageously in an amount of ?20% by weight, preferably 20%-95% by weight, further preferably 30%-70% by weight, especially 30%-60% by weight, and (b) at least one solvent, especially water, advantageously in a total amount of ?5% by weight, preferably ?10% by weight, more preferably 10%-60% by weight, especially 10%-40% by weight, % by weight based in each case on the overall mixture (M), is described.
    Type: Application
    Filed: March 18, 2016
    Publication date: February 15, 2018
    Inventors: Thomas Günther, Mladen Vidakovic, Collins Wettey