Patents by Inventor Chitto Ron Sarkar

Chitto Ron Sarkar 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).

  • Drawable and/or traceable binder
    Patent number: 6769829
    Abstract: The cover of a binder is provided with a coating which is receptive to inks which are water based, solvent based or gel based, and which is substantially water-fast after the ink has dried. A coated transparent sheet may be provided on the front cover of the binder to form a pocket so that visual material inserted in the pocket may be traced, and so that the cover may be personalized. The coating may include porous pigment and a binder which includes as a component a water soluble polymer.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: August 3, 2004
    Assignee: Avery Dennison Corporation
    Inventors: Arthur G. Castillo, Norman Yamamoto, Chitto Ron Sarkar, Christine Kay Landis, Frank Yen-Jer Shih, Zhisong Huang