Patents Represented by Attorney Sarfaraz Niazi

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  • Analytical grade salt
    Patent number: 8273321
    Abstract: A three-step process for the preparation of analytical grade sodium chloride from rock salt was developed.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 25, 2012
    Inventor: Muhammad Akhyar Farrukh
  • Method of producing tibolone metabolites by fermentation with
    Patent number: 8198041
    Abstract: A method of producing ?1,4-Tibolone (C21H26O2), 10?-Hydroxy-?4-tibolone (C21H28O3). 11?,15?-Dihydroxytibolone (C21H28O4) and 11?,15?-Dihydroxy-?5-tibolone (C21H28O4) by contacting tibolone and 3?,6?-Dihydroxytibolone (C21H32O3) by contacting 3?-hydroxytibolone with Cunninghamella elegans (ATCC 10028b) is reported.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: June 12, 2012
    Inventors: Attaur Rahman, Muhammed Iqbal Choudhary, Syed Adnan Ali Shah, Shamsun Nahar Khan
  • Method of producing tibolone metabolites by fermentation with
    Patent number: 8148558
    Abstract: Method of producing ?4-Tibolone by contacting tibolone with Fusarium lini (ATCC 9593) is reported.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: April 3, 2012
    Inventors: Attaur Rahman, Muhammed Iqbal Choudhary, Syed Adnan Ali Shah, Shamsun Nahar Khan
  • Method of producing tibolone metabolites by fermentation with
    Patent number: 8148556
    Abstract: A new method of producing metabolites of tibolone comprising fermenting tibolone with Rhizopus stolonifer (ATCC 12938) resulting in the formation of ?4-Tibolone (C21H28O2), 6?-Hydroxytibolone, and 15?-Hydroxytibolone (C21H28O3) is reported.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: April 3, 2012
    Inventors: Attaur Rahman, Muhammed Iqbal Choudhary, Syed Adnan Ali Shah, Shamsun Nahar Khan
  • Method of producing tibolone metabolites by fermentation with
    Patent number: 8148557
    Abstract: Method of producing ?5-Tibolone (C21H28O2), 6?-Hydroxy-?4-tibolone (C21H28O3), 6?-Hydroxy-?4-tibolone (C21H28O3), 15?-Hydroxy-?4-tibolone (C21H28O3), 6?-Hydroxy-?1,4-tibolone (C21H28O3) and 6?-Methoxy-?4-tibolone (C22H30O3) contacting tibolone with Gibberella fujikuroi (ATCC 10704) is reported.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: April 3, 2012
    Inventors: Attaur Rahman, Muhammed Iqbal Choudhary, Syed Adnan Ali Shah, Shamsun Nahar Khan