Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 560/257
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carboxylic acid esters > Acyclic acid moiety > Unsubstituted acids of the acetic series > Polycyclo-alicyclic ring system in alcohol moiety > Nor- or homo- cyclopentanohydrophenanthrenes
Description:


Sub-classes under this class:

Class Number Class Name Patents
560/258 Nor-a ring 7


Patents under this class:

Patent Number Title Of Patent Date Issued
7312356 Medicament Dec. 25, 2007
7041701 Triterpenoid derivatives May. 9, 2006
6407270 Methods for manufacturing betulinic acid Jun. 18, 2002
6232481 Method for manufacturing betulinic acid May. 15, 2001
5786379 Adamantyl-substituted biaromatic compounds and pharmaceutical/cosmetic compositions comprised thereof Jul. 28, 1998
5321044 15,16-seco-19-nor progestins Jun. 14, 1994
4886619 Fluorine-containing chiral smectic liquid crystals Dec. 12, 1989
4803221 Anthracene derivatives Feb. 7, 1989
4788218 17 a .beta.-hydroxy-7 .alpha.-methyl-d-homo-19-norandrost-4,16-diene-3-one and the 17-esters thereof: methods of preparation and uses Nov. 29, 1988
4309565 Process for synthesizing A-nor and A-nor-18-homo-steroids Jan. 5, 1982
4202841 D-Homopregnanes May. 13, 1980
4178381 C-homoestratrienes Dec. 11, 1979
4173648 3.beta.-Hydroxy-18.beta.-olean-9-en-30-oic acids Nov. 6, 1979
4155918 Novel D-homosteroids May. 22, 1979
4139716 19-Nor-D-homopregnanes Feb. 13, 1979
4137269 D-homosteroids Jan. 30, 1979
4131655 D-homopregnanes Dec. 26, 1978
4097678 .DELTA..sup.9 (11) -5.alpha.-D-homo-20-keto steroids Jun. 27, 1978
4056633 D-homo-20-ketopregnanes and method for inducing anesthesia or narcosis Nov. 1, 1977
4045574 D-Homo-20-ketopregnanes Aug. 30, 1977
4036874 D-homopregnanes Jul. 19, 1977
4033995 D-homo steroids Jul. 5, 1977
4029692 Steroid carboxylic acids and derivatives Jun. 14, 1977
4028400 D-homosteroids Jun. 7, 1977
4026918 D-homosteroids May. 31, 1977
4026923 D-Homosteroids May. 31, 1977
4026922 D-Homo-pregnene steroids May. 31, 1977
4026921 D-homosteroids May. 31, 1977
4025563 Novel D-homo steroids May. 24, 1977
3985771 Total steroid synthesis employing substituted isoxazole derivatives Oct. 12, 1976
3984476 D-homo-19-norsteroids Oct. 5, 1976
3965128 6.beta.,7.beta.-Epoxy-1.alpha.,2.alpha.-methylen-D-homo-4-pregnen-3,20-di ones Jun. 22, 1976
3939193 D-Homosteroids Feb. 17, 1976



 
 
  Recently Added Patents
Door push bar
Phase shifter comprising a coupling line for providing divided paths of different path lengths
Method and system to synchronize acoustic therapy with ultrasound imaging
Client-server word-breaking framework
Systems, devices, and methods for minimally invasive pelvic surgery
Baling apparatus
Semiconductor integrated device and apparatus for designing the same
  Randomly Featured Patents
Collet chuck device
Microfluidic device and method of operation
Dual port gain cell with side and top gated read transistor
Channel subassembly for a plasma addressed liquid crystal display panel
Blind rivetting gun with automatic loader
Treatment vessel for bodies of water with laterally adjustable pontoons
Auxiliary quasi-resonant dc tank electrical power converter
Derivatives of an antibiotic XK-62-2 and the process for the production thereof
Shoe upper
BGA package using PCB and tape in a die-up configuration