Patents by Inventor B. A. Ramireddy

B. A. Ramireddy 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).

  • PROCESSES FOR THE PREPARATION OF AMORPHOUS TENOFOVIR ALAFENAMIDE HEMIFUMARATE AND A PREMIX THEREOF
    Publication number: 20200261479
    Abstract: An amorphous form of tenofovir alafenamide hemifumarate and process for the preparation of the same. A premix of amorphous tenofovir alafenamide hemifumarate with pharmaceutically acceptable excipients and process for the preparation of the same are also disclosed.
    Type: Application
    Filed: December 18, 2019
    Publication date: August 20, 2020
    Applicant: MYLAN LABORATORIES LIMITED
    Inventors: Ramakoteswara Rao Jetti, Amit Singh, Neelima Bhagavatula, Anjaneyaraju Indukuri, B. A. Ramireddy
  • Polymorphic Forms of Afatinib Dimaleate
    Publication number: 20180030038
    Abstract: The present disclosure relates to amorphous and crystalline forms of 2-butenamide, N-[4-[(3-chloro-4-fluorophenyl)amino]7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethyl amino)-,(2E)-, (2Z)-2-butenedioate (1:2) (afatinib dimaleate). The present disclosure also relates to process for the preparation of amorphous and crystalline forms of afatinib dimaleate. Further, the present disclosure relates to solid dispersion of amorphous afatinib dimaleate and the crystalline form of afatinib.
    Type: Application
    Filed: August 1, 2016
    Publication date: February 1, 2018
    Inventors: Ramakoteswara Rao Jetti, Anjaneyaraju Indukuri, Satish Beeravelly, Asharani Gorantla, B.A. Ramireddy, Ruchira M. Sarbajna, Sivalakshmidevi Arikatla
  • Process for preparing polymorphic forms of (S)-6-chloro-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one
    Patent number: 8318930
    Abstract: Disclosed herein is a novel process for preparing polymorphic Forms of (S)-6-chloro-(cyclopropylethynyl)-1,4-di-hydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one referred as M1, I, II, ?, and ?.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: November 27, 2012
    Assignee: Matrix Laboratories Limited
    Inventors: Om Dutt Tyagi, Ramakoteswara Rao Jetti, B. A. Ramireddy
  • PROCESS FOR PREPARING POLYMORPHIC FORMS OF (S)-6-CHLORO-(CYCLOPROPYLETHYNYL)-1,4-DIHYDRO-4-(TRIFLUOROMETHYL)-2H-3,1-BENZOXAZIN-2-ONE
    Publication number: 20100274007
    Abstract: Disclosed herein is a novel process for preparing polymorphic Forms of (S)-6-chloro-(cyclopropylethynyl)-1,4-di-hydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one referred as M1, I, II, ?, and ?.
    Type: Application
    Filed: December 24, 2008
    Publication date: October 28, 2010
    Applicant: MATRIX LABORATORIES LIMITED
    Inventors: Om Dutt Tyagi, Ram K. R. Jetti, B. A. Ramireddy