The Hetero Ring Shares The 16,17-positions Of The Cyclopentanohydrophenanthrene Ring System Patents (Class 540/84)
Halogen bonded directly to the cyclopentanohydrophenanthrene ring system (Class 540/85)
Saturated a ring (Class 540/86)
  • Sterilization of pharmaceuticals
    Patent number: 6863865
    Abstract: A method of sterilizing a pharmaceutical composition containing a suspension of a pharmaceutical comprises rapidly heating the pharmaceutical composition from ambient temperature to an elevated temperature, maintaining it at or above the elevated temperature for a period of time, and rapidly cooling the pharmaceutical composition to ambient temperature.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: March 8, 2005
    Assignee: Breath Limited
    Inventors: Ian G. C. McAffer, Kailash S. Purohit
  • Dry heat sterilization of a glucocorticosteroid
    Patent number: 6392036
    Abstract: The invention provides a process for the sterilization of a powdered form of a glucocorticosteroid, sterile glucocorticosteroids, sterile formulations containing glucocorticosteroids and use thereof in the treatment of an allergic and/or inflammatory condition of the nose or lungs.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: May 21, 2002
    Assignee: AstraZeneca AB
    Inventors: Ann-Kristin Karlsson, Cheryl Larrivee-Elkins, Ove Molin
  • Intermediates for 16.beta.-methyl steroids
    Patent number: 5795982
    Abstract: A compound having a formula selected from ##STR1## wherein A and B are selected from the group consisting of ##STR2## K and K' are selected from the group consisting of ##STR3## n is 2 or 3 and R.sub.1 is an ether or ester residue.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: August 18, 1998
    Assignee: Roussel Uclaf
    Inventors: Catherine Geurts, Michel Vivat
  • Process for preparing 17,20-epoxy steroids
    Patent number: 5504203
    Abstract: A compound of the formula ##STR1## wherein R is=0 or ##STR2## and the rings A and B are selected from the group consisting of ##STR3## K is oxo or a protector group of oxo of the formula ##STR4## n is 2 or 3 and R.sub.1 is an ether or ester remainder, K' is oxo or a protector oxime, hydrazone or semicarbazone group and the wavy lines symbolize an isomer mixture, a process for their preparation and their use as intermediates.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: April 2, 1996
    Assignee: Roussel Uclaf
    Inventors: Jean Buendia, Remi Chauvin, Michel Vivat