Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 540/200
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or nitrogen as the only ring hetero atoms > Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen
Description: Compounds in which the hetero ring is four-membered, contains nitrogen and has chalcogen (i.e., oxygen, sulfur, selenium or tellurium) double bonded directly to a ring carbon which is adjacent to the ring nitrogen.










Sub-classes under this class:

Class Number Class Name Patents
540/201 Heavy metal containing 59
540/202 Plural hetero atoms in the hetero ring 105
540/203 Polycyclo ring system containing the hetero ring as one of the cyclos 89
540/354 Additional chalcogen bonded directly to the hetero ring 78
540/361 Halogen attached directly at the 4-position of the hetero ring by nonionic bonding 48
540/362 The 4-position of the hetero ring is unsubstituted or alkyl substituted only 106
540/364 Nitrogen bonded directly at the 3-position of the hetero ring 148


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8673891 Aminopyrazine derivative and medicine Mar. 18, 2014
8623855 Azetidinone compounds and medical use thereof Jan. 7, 2014
8492340 Methods of treating depression and other related diseases Jul. 23, 2013
8492499 Addition compounds as dispersants and dispersion stabilizers Jul. 23, 2013
8444877 High dielectric constant liquid crystal May. 21, 2013
8445622 Process for preparing polyisocyanates May. 21, 2013
8440819 Therapeutic substituted beta-lactams May. 14, 2013
8420628 Substituted beta-lactams Apr. 16, 2013
8415295 Heterocyclic boronic acid compounds Apr. 9, 2013
8383810 Process for the synthesis of azetidinones Feb. 26, 2013
8314087 Nitrogen-containing heterocyclyl ketones and methods of use Nov. 20, 2012
8304403 Heterocyclic CETP inhibitors Nov. 6, 2012
8236789 1-adamantyl azetidin-2-one derivatives and drugs containing same Aug. 7, 2012
8232389 Method for crystallization of azetidinonecarboxylic acid Jul. 31, 2012
8202855 Substituted beta-lactams Jun. 19, 2012
8178665 Process for the production of ezetimibe and intermediates used in this process May. 15, 2012
8134014 Preparation of uretdione polyisocyanates Mar. 13, 2012
8063033 Therapeutic beta-lactams Nov. 22, 2011
8013150 Process for the preparation of ezetimibe Sep. 6, 2011
8003636 Certain crystalline diphenylazetidinone hydrates, pharmaceutical compositions thereof and methods for their use Aug. 23, 2011
RE42461 Hydroxy-substituted azetidinone compounds useful as hypocholesterolemic agents Jun. 14, 2011
7956182 Process for preparing optically active alcohols Jun. 7, 2011
7951793 Substituted heterocyclic derivatives useful as antidiabetic and antiobesity agents and method May. 31, 2011
7879997 Compounds for the treatment of inflammatory disorders Feb. 1, 2011
7879998 4-alkenyl-2-azetidinone derivatives, process for preparing 4-alkenyl-2-azetidinone derivatives and multicyclic compounds prepared using 4-alkenyl-2-azetidinone derivatives Feb. 1, 2011
7790907 Method of producing a uretonimine-modified isocyanate composition Sep. 7, 2010
7786103 Method for isolating an intestinal cholesterol binding protein Aug. 31, 2010
7777054 Uretonimine-modified isocyanate composition and method of forming the same Aug. 17, 2010
7772392 Therapeutic substituted .beta.-lactams Aug. 10, 2010
7714148 Process for the preparation of liquid, storage-stable organic isocyanates containing carbodiimide and/or uretoneimine groups May. 11, 2010
7704988 Anti-hypercholesterolemic compounds Apr. 27, 2010
7674773 Diphenylazetidinones, process for their preparation, medicaments comprising these compounds and their use Mar. 9, 2010
7674786 Therapeutic .beta.-lactams Mar. 9, 2010
7671047 Cationically substituted diphenylazetidinones, process for their preparation, medicaments comprising these compounds, and their use Mar. 2, 2010
7662989 Process for the preparation of liquid, storage-stable organic isocyanates containing carbodiimide and/or uretonimine groups Feb. 16, 2010
7622449 Anti-hypercholesterolemic compounds Nov. 24, 2009
7579339 Ring-substituted diphenylazetidinones, process for their preparation, medicaments comprising these compounds, and their use Aug. 25, 2009
7576200 Diphenylazetidinones, process for their preparation, medicaments comprising these compounds and their use Aug. 18, 2009
7563888 Process for the preparation of diphenyl azetidinone derivatives Jul. 21, 2009
7541458 .beta.-lactam synthesis Jun. 2, 2009
7538212 Intermediate for carbapenem compound for oral administration and process for producing the same May. 26, 2009
7524951 Intermediates of 2-substituted carbapenem derivatives and process for production thereof Apr. 28, 2009
7524952 Process for producing carbapenem compound for oral administration Apr. 28, 2009
7504410 Chk-, Pdk- and Akt-inhibitory pyrimidines, their production and use as pharmaceutical agents Mar. 17, 2009
7504523 Uretonimine-modified isocyanate composition and method of forming the same Mar. 17, 2009
7501404 Substituted azetidinones Mar. 10, 2009
7498431 Process for the preparation of chiral azetidinones Mar. 3, 2009
7488818 Method for producing 1,4-diphenyl azetidinone derivatives Feb. 10, 2009
7482445 Crystalline carbapenem intermediate Jan. 27, 2009
7470678 Diphenylazetidinone derivatives for treating disorders of the lipid metabolism Dec. 30, 2008

1 2 3 4 5 6 7 8










 
 
  Recently Added Patents
Transmitting apparatus and retransmitting method
Plasmon generator includes three metal layers for thermally-assisted magnetic recording
Portable reading device with mode processing
Off-line converter with digital control
High-speed comparator with asymmetric frequency response
Power transmission control device for vehicle
Molded surface of a concrete product
  Randomly Featured Patents
Bundled steel wire SED communicator secondary cores
Heat resistant cast alloy
Operation of airports
Highlighter
Method and arrangement for the controlling of the operating process in data processing installations with microprogram control
Method and system for terminating PPP session in dormant state of mobile communication terminal
Terpene derivatives and process for preparing the same
Projection system and projector
Methods and apparatuses for making and using planarizing pads for mechanical and chemical mechanical planarization of microelectronic substrates
Temperature detecting circuit for controlling a self-refresh period of a semiconductor memory device