Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Health & Medicine
Class Information
Number: 514/264.11
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > The other cyclo in the bicyclo ring system is a pyridine ring (including hydrogenated) (e.g., pyrido[2,3-d]pyrimidine, etc.) > Nitrogen bonded directly to ring carbon of the 1,3-diazine ring of the bicyclo ring system
Description: Subject matter wherein a ring carbon of the 1,3-diazine ring of the bicyclo ring system is directly bonded to nitrogen.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4831037 4 (3H)-oxo-5,6,7,8-tetrahydropyrido-(2,3-d)pyrimidine derivatives May. 16, 1989
4797403 Quinazolinediones and pyridopyrimidinediones Jan. 10, 1989
4684653 Pyrido(2,3-d)pyrimidine derivatives Aug. 4, 1987
4661490 Treatment with dialkoxy pyridopyrimidines Apr. 28, 1987
4621082 Pyridopyrimidines, pharmaceutical compositions and use Nov. 4, 1986
4532241 8,10-Dideazaminopterins Jul. 30, 1985
4512992 Treatment with dialkoxy pyridopyrimidine compounds Apr. 23, 1985
4460591 8,10-Dideazaminopterins Jul. 17, 1984
4372957 Treatment with dialkoxy pyridopyrimidines Feb. 8, 1983
3981999 Fish disease treatment Sep. 21, 1976
3939268 2,4-Diamino substituted pyridol(3,2-d)pyrimidine as antithrombotic agents Feb. 17, 1976

1 2 3 4










 
 
  Recently Added Patents
Per-request control of DNS behavior
Transferring a document
Data security for dynamic random access memory using body bias to clear data at power-up
Network client validation of network management frames
Managing device functionality during predetermined conditions
(4938
System and method for document orientation detection
  Randomly Featured Patents
Optical data communication system
Liquid crystal display device
Resin structure keystone ornamentation
Valgus big toe rectifying supporter
Multi-ply paper forming fabric with ovate warp yarns in lowermost ply
SSB receiver with improved feedforward AGC
Basketball player's training glove
Database system and a method of data retrieval from the system
Integration of an electronic air suspension system in an electronic air processing system
Packaging unit for continuously producing sealed packages, containing pourable food products, from a tube of packaging material