Patents by Inventor Sandip K. Nandy

Sandip K. Nandy 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).

  • COMPOUNDS AND METHODS FOR PREPARATION OF DIARYLPROPANES
    Publication number: 20120245393
    Abstract: Compounds of structure (I): including stereoisomers, tautomers and salts thereof, wherein R1, R2, R3, R4, R5, R6, X, Y and Z are as defined herein. Such compounds are useful for the preparation of diarylpropane compounds. Methods for the preparation of compounds of structure (I) are also disclosed, as are methods employing compounds of structure (I) for the preparation of diarylpropanes.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Abeysinghe Arrachchigae Padmapriya
  • SERIES OF SKIN WHITENING (LIGHTENING) COMPOUNDS
    Publication number: 20100016347
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 21, 2010
    Applicant: Unigen Pharmaceuticals, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe A. Padmapriya