Patents by Inventor Narayan Ganesh Kumar

Narayan Ganesh Kumar 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).

  • Cellulose solutions and products prepared therefrom
    Patent number: 4028132
    Abstract: Solutions of cellulose in hydrazine are formed by dissolving cellulose therein. The cellulose solutions formed may be utilized for the preparation of fibers, films, foams or other cellulose fabricated articles. Alternatively, the dissolution of cellulose in hydrazine may be employed as a means for the direct extraction of cellulose from lignocellulosic materials without the necessity of pulping operations.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: June 7, 1977
    Assignee: International Playtex, Inc.
    Inventors: Morton H. Litt, Narayan Ganesh Kumar