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Class Information
Number: 514/210.15
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 four-membered and includes at least one ring nitrogen > Chalcogen double bonded directly to a ring carbon of the four-membered hetero ring which is adjacent to the ring nitrogen > Chalcogen bonded directly to the ring nitrogen of the four-membered ring
Description: Subject matter wherein a chalcogen (i.e. oxygen, sulfur, selenium, or tellurium) is bonded directly to the ring nitrogen of the four-membered ring by nonionic bonding.










Patents under this class:

Patent Number Title Of Patent Date Issued
8404671 Heterosubstituted N-thiolated beta-lactam compounds and methods of use Mar. 26, 2013
8252781 1,2-diazetidin-3-one derivatives and drugs containing same Aug. 28, 2012
8063033 Therapeutic beta-lactams Nov. 22, 2011
7973029 Inhaled aztreonam lysine for the treatment of deficits in health-related quality-of-life in lung diseases Jul. 5, 2011
7846920 Heterosubstituted N-thiolated beta-lactam compounds and methods of use Dec. 7, 2010
7674786 Therapeutic .beta.-lactams Mar. 9, 2010
7635693 Methods for preventing and treating cancer using N-thiolated .beta.-lactam compounds and analogs thereof Dec. 22, 2009
7439253 Heterocyclic compounds, their preparation and their use as medicaments, in particular as antibacterials and beta-lactamase inhibitors Oct. 21, 2008
7214364 Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections May. 8, 2007
6946458 N-thiolated beta-lactams: novel antibacterial agents for methicillin-resistant Staphylococcus aureus Sep. 20, 2005
6916803 3-(Heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids derivatives as antibacterial agents Jul. 12, 2005
6821963 4-Bromo or 4-iodo phenylamino benzhydroxamic acid derivatives and their use as MEK inhibitors Nov. 23, 2004
6476015 N-thiolated .beta.-lactam antibiotics Nov. 5, 2002
6335324 Beta lactam compounds and their use as inhibitors of tryptase Jan. 1, 2002
6034077 4-substituted-3-(2-amino-2-cycloalkyl methyl)-acetamido azetidin-2-one derivatives as cysteine proteinase regulators Mar. 7, 2000
5994340 Azetidinone derivatives as .beta.-lactamase inhibitors Nov. 30, 1999
5916887 4-substituted-3-(2-amino-2-cycloalkyl methyl)-acetamido azetidin-2-one derivatives as cysteine proteinase regulators Jun. 29, 1999
5888998 2-oxo-1-azetidine sulfonic acid derivatives as potent .beta.-lactamase inhibitors Mar. 30, 1999
5318963 Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam antibiotics Jun. 7, 1994
5250525 4-oxo-azetidine-2-sulfonic acids and their salts, processes for the preparation thereof and their use Oct. 5, 1993
5143913 [3S(Z)]-3-[[(2-amino-4- thiazolyl)[[2-(hydroxyamino)-2-oxoethoxy]imino]acetyl]amino]-2,2-dimethyl -4-oxo-1-azetidinyl sulfate Sep. 1, 1992
5120729 Beta-lactams as antihypercholesterolemics Jun. 9, 1992
5110812 Azetidin-2-one derivatives as serine protease inhibitors May. 5, 1992
5057512 3-amino-2-oxo-azetidine-1-sulfonic acids Oct. 15, 1991
5039672 Heterocyclic compounds as aldose reductase inhibitors Aug. 13, 1991
4983597 Beta-lactams as anticholesterolemic agents Jan. 8, 1991
4946838 Crystalline anhydrous aztreonam Aug. 7, 1990
4900728 Novel 3-amino-2-oxo-azetidine-1-sulfonic acids Feb. 13, 1990
4822788 1-sulfo-2-oxozetidine derivatives and their product ion Apr. 18, 1989
4822790 1-Sulfo-2-oxoazetidine derivatives and their production Apr. 18, 1989
4794108 1-carboxymethoxy acetidinones and their production Dec. 27, 1988
4775670 2-oxo-1-azetidinesulfonic acid salts Oct. 4, 1988
4771045 2-oxozetidinone derivatives, their production and use Sep. 13, 1988
4751220 Crystalline salts of [3S(Z)]-2[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfooxy)- 3-azetidinyl]amino]-2-oxoethylidene]-amino]oxy]acetic acid Jun. 14, 1988
4725591 .beta.-lactamase inhibitory composition Feb. 16, 1988
4680391 Substituted azetidinones as anti-inflammatory and antidegenerative agents Jul. 14, 1987
4680388 O-sulfated spiro .beta.-lactam hydroxamic acids Jul. 14, 1987
4665067 1-Sulfo-2-oxoazetidine derivatives and their production May. 12, 1987
4647558 Antibacterial agents, their preparation and use Mar. 3, 1987
4572801 4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production Feb. 25, 1986
4551276 2-Oxoazetidin-1-yloxymethyl sulfonic acid and analogs Nov. 5, 1985
4550105 1-Sulfo-2-oxoazetidine derivatives and their production Oct. 29, 1985
4548747 3-Acylamino-1-sulfonylaminocarbonylmethoxy-2-azetidinones Oct. 22, 1985
4548751 (2-Oxo-1-azetidinyloxy)-2-propenoic acid Oct. 22, 1985
4533660 Antibacterial O-sulfated .beta.-lactam hydroxamic acids Aug. 6, 1985
4515789 .beta.-Lactam antibiotics May. 7, 1985











 
 
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