Patents by Inventor Sigel Asai

Sigel Asai 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).

  • Patent number: 3932340
    Abstract: A coating composition is disclosed for producing alcohol-insoluble films which comprises a mixture of an alcohol-soluble nylon copolymer, an alcohol-soluble alkoxymethylated nylon and an acid catalyst.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: January 13, 1976
    Assignee: Daicel Ltd.
    Inventors: Minoru Kamosaki, Sigel Asai