U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"One of the greatest labor saving inventions of today is tomorrow!"

Vincent T. Floss

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 540/98 - The A ring is a benzene ring


Subclass of Class 540 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which the A ring of the cyclopentanohydrophenanthrene
No. of patents: 6
Last issue date: 06/26/2007


NumberTitleIssue Date
7235552Cholenic acid amides and pharmaceutical compositions thereof
Novel sterol derivatives of formula (I), in which: R1 represents a hydroxyl group or protected hydroxyl group, R2 represents a hydrogen atom and a double bond is present at c, or R1 and R2 together represent an oxo group a...
06/26/2007
626204217ଲ-amino and hydroxylamino-11ଲ-arylsteroids and their derivatives having agonist or antagonist hormonal properties
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity....
07/17/2001
620096517-Azolyl steroids useful as androgren synthesis inhibitors
Androgen synthesis inhibitors, as well as methods for the use of the same to reduce plasma levels of testosterone and/or dyhydrotestosterone, and to treat prostate cancer and benign prostatic hypertrophy, are disclosed....
03/13/2001
5591733Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series
Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionoph...
01/07/1997
5232917Methods, compositions, and compounds for allosteric modulation of the GABA receptor by members of the androstane and pregnane series
Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionoph...
08/03/1993
4954446Aromatic steroid 5-଱-reductase inhibitors
Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutial compositions containing the compounds, and methods of using these compounds to inhibit steroid 5-଱-reductase including using these compounds to reduce prosta...
09/04/1990
 
Sign InRegister
Username  
Password   
forgot password?