Patents by Inventor Abeysinghe Arrachchigae Padmapriya

Abeysinghe Arrachchigae Padmapriya 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: 20160096795
    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: April 29, 2015
    Publication date: April 7, 2016
    Inventors: Sandip K. Nandy, Abeysinghe Arrachchigae Padmapriya
  • Compounds and methods for preparation of diarylpropanes
    Patent number: 9045405
    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: Grant
    Filed: October 16, 2013
    Date of Patent: June 2, 2015
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Abeysinghe Arrachchigae Padmapriya
  • COMPOUNDS AND METHODS FOR PREPARATION OF DIARYLPROPANES
    Publication number: 20140235899
    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: October 16, 2013
    Publication date: August 21, 2014
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Abeysinghe Arrachchigae Padmapriya
  • Compounds and methods for preparation of diarylpropanes
    Patent number: 8586799
    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: Grant
    Filed: March 21, 2012
    Date of Patent: November 19, 2013
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Abeysinghe Arrachchigae Padmapriya
  • 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