Patents by Inventor Hetal R. Shah

Hetal R. Shah 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).

  • Process for the preparation of 2-[(diphenylmethyl) thio] acetamide
    Patent number: 7186860
    Abstract: Process for the preparation of 2-[(diphenylmethyl)thioacetamide, an intermediate for the preparation of Modafinil which is a CNS stimulant and used for the treatment of narcolepsia. The process comprises reacting 2-[(diphenylmethyl)thio]acetic acid with alcohols, in presence of catalytic amount of inorganic acid or organic acid at reflux temperature of alcohol to obtain corresponding ester which is reacted with ammonia to give 2-[(diphenylmethyl)thio]acetamide. If desired 2-[(diphenylmethyl)thioacetamide thus produced is reacted with hydrogen peroxide to produce Modafinil.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: March 6, 2007
    Assignee: Alembic Limited
    Inventors: Surendra B. Bhatt, Jiten R. Patel, Dinesh Panchasara, Hetal R. Shah, Keshav Deo, Vinod Kumar Kansal
  • Method and apparatus for ordering photofinishing goods and/or services
    Publication number: 20030229538
    Abstract: A method, system and apparatus for displaying photofinishing goods and/or services that are being offered for sale. An apparatus is provided which includes a display device for displaying photofinishing goods and/or services that are being offered for sale and a computer for controlling what is displayed on the display device. A computer software program is also provided for programming the computer so that a plurality of the photofinishing goods and/or services will be displayed on the display device and for program monitoring the sales of the photofinishing goods. The system allows for the remote reprogramming of the computer for modifying and or re-arranging the position of the photofinishing goods and/or services on the display device.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 11, 2003
    Inventors: Frank M. Nardozzi, Dinesh H. Bhat, Tina M. Clark, Lawrence C. Hodge, Frederic T. Lewis, Hetal R. Shah
  • Method and apparatus for ordering photofinishing goods and/or services
    Patent number: 6636837
    Abstract: A method, system and apparatus for displaying photofinishing goods and/or services that are being offered for sale. An apparatus is provided which includes a display device for displaying photofinishing goods and/or services that are being offered for sale and a computer for controlling what is displayed on the display device. A computer software program is also provide for programming the computer so that a plurality of the photofinishing goods and/or services will be displayed on the display device and for program monitoring the sales the photofinishing goods. The system allows for the remote reprogramming of the computer for modifying and or re-arranging the position of the photofinishing goods and/or services on the display device.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: October 21, 2003
    Assignee: Eastman Kodak Company
    Inventors: Frank M. Nardozzi, Dinesh H. Bhat, Tina M. Clark, Lawrence C. Hodge, Frederic T. Lewis, Hetal R. Shah