Patents by Inventor Andhe V. Narender Reddy

Andhe V. Narender Reddy 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).

  • NOVEL FUSED BRIDGED BICYCLIC HETEROARYL SUBSTITUTED 6-ALKYLIDENE PENEMS AS POTENT BETA-LACTAMASE INHIBITORS
    Publication number: 20110288063
    Abstract: A compound of formula (I) or formula (Ia) Wherein R1, Ra, R2, X, R3, Y1, Y2, A, B and C are as defined herein. Also, pharmaceutical compositions comprising such compounds and excipients, methods of treating bacterial infections comprising administering such compounds, methods for making such compounds and hydrates of such compounds.
    Type: Application
    Filed: May 19, 2011
    Publication date: November 24, 2011
    Applicant: Naeja Pharmaceutical Inc.
    Inventors: Samarendra N. MAITI, Rong Ling, Judy Yip, Chuanjun Gao, Dai Nguyen, Biswajeet Ganguli, Hong Liang, Jehangir Khan, Andhe V. Narender Reddy
  • 3-(Heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids derivatives as antibacterial agents
    Patent number: 6916803
    Abstract: The present invention relates to novel Syn isomers of racemates and optical isomers of 3-(heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids of the following formula: and their use in treating infections caused by gram-negative pathogenic bacteria.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: July 12, 2005
    Assignee: Pantherix, Ltd.
    Inventors: Ronald George Micetich, Samarendra Maiti, Charles Fiakpui, George Thomas, Andhe V. Narender Reddy, Sameeh M. Salama, Rajeshwar Singh
  • 3-(Heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids derivatives as antibacterial agents
    Publication number: 20040019203
    Abstract: The present invention relates to novel Syn isomers of racemates and optical isomers of 3-(heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids of formula (I) and its use in treating the infections caused by gram-negative pathogenic bacteria.
    Type: Application
    Filed: February 27, 2003
    Publication date: January 29, 2004
    Inventors: Ronald George Micetich, Samarendra Maiti, Charles Fiakpui, George Thomas, Andhe V. Narender Reddy, Sameeh M. Salama, Rajeshwar Singh
  • Substituted azetidin-2-ones as cysteine protease inhibitors
    Patent number: 6569847
    Abstract: This invention relates to substituted azetidin-2-ones and to pharmaceutical compositions containing such compounds. Their use in medicine as inhibitors of cysteine proteases, particularly the cathepsins is also described. The invention includes a compound of formula (I), Y represents —C(O)— or —S(O2)—; R represents an allyl (ie CH2═CHCH2—) group or a radical. R1 represents —OCOR5, —OR5, —SR5, —S(O)R5, or —S(O)2R5; R2 represents a radical. R3 represents —OR5 or R5; or a pharmaceutically acceptable salt, hydrate or solvate thereof.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: May 27, 2003
    Assignee: NAEJA Pharmaceuticals Inc.
    Inventors: Rajeshwar Singh, Andhe V. Narender Reddy, Jadwiga Kaleta, Ronald G. Micetich, Mark Whittaker, Philip Huxley
  • Azetidinone derivatives as .beta.-lactamase inhibitors
    Patent number: 5994340
    Abstract: New 2-oxo-1-azetidine sulfonic acid derivatives with an aminoalkyl substituted "anti" (E-isomer) oxyimino group in the acylamino substituent at the 3 position of the monobactam ring. These compounds are potent inhibitors of bacterial .beta.-lactamases. These compounds can be used in combination with .beta.-lactam antibiotics to increase the effectiveness of the .beta.-lactam antibiotics in fighting infection caused by .beta.-lactamase producing bacteria.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: November 30, 1999
    Assignee: SynPhar Laboratories, Inc.
    Inventors: Samarendra N. Maiti, Oludotun A. Phillips, Eduardo L. Setti, Andhe V. Narender Reddy, Ronald G. Micetich, Fusahiro Higashitani, Chieko Kunugita, Koichi Nishida, Tatsuya Uji
  • 2-oxo-1-azetidine sulfonic acid derivatives as potent .beta.-lactamase inhibitors
    Patent number: 5888998
    Abstract: A compound of formula (I) ##STR1## wherein R.sub.1 is selected from the group consisting of 2-thienyl, 2-furyl, 2-pyrrolyl, 1-methyl-2-pyrrolyl, 2-amino-1-thiazolyl and 5-isothiazolyl;R.sub.2 is selected from the group consisting of: ##STR2## and M is hydrogen or a pharmaceutically acceptable cation; wherein the oxyimino fragment (.dbd.N--OR.sub.2) in formula (I) is in the `anti` orientation.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: March 30, 1999
    Assignees: Synphar Laboratories, Inc., Taiho Pharmaceutical Co., Ltd.
    Inventors: Samarendra N. Maiti, Eduardo L. Setti, Oludotun A. Phillips, Andhe V. Narender Reddy, Ronald G. Micetich, Rajeshwar Singh, Fusahiro Higashitani, Chieko Kunugita, Koichi Nishida, Tatsuya Uji