Patents by Inventor Chandra Kapur

Chandra Kapur 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: 3952347
    Abstract: A biodegradable barrier film is provided which is useful as a barrier layer in absorbent pads such as sanitary napkins and diapers. The film comprises a matrix of a non-biodegradable film-forming material which is resistant to solubility in water having a biodegradable material homogeneously dispersed therein, the biodegradable material being present in said film in an amount from about 40 to about 60 weight percent based on the total weight of said biodegradable and said non-biodegradable film-forming material in said film.
    Type: Grant
    Filed: December 13, 1973
    Date of Patent: April 27, 1976
    Assignee: Personal Products Company
    Inventors: John M. Comerford, Chandra Kapur