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Class Information
Number: 514/202
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 > 1-thia-5-aza-bicyclo (4.2.0) octane ring containing (including dehydrogenated) (e.g., cephalosporins, etc.) > Additional hetero ring
Description: Subject matter wherein the bicyclo octane ring system contains an additional hetero ring.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5013731 |
Cephalosporin compounds |
May. 7, 1991 |
| 5008259 |
Cephalosporin compounds |
Apr. 16, 1991 |
| 5008257 |
Brain-specific drug delivery |
Apr. 16, 1991 |
| 5008260 |
Cephem derivatives |
Apr. 16, 1991 |
| 5008258 |
Cephalosporin derivatives |
Apr. 16, 1991 |
| 4994451 |
Cephalosporin salts and injectable compositions |
Feb. 19, 1991 |
| 4992431 |
Cephalosporins |
Feb. 12, 1991 |
| 4988685 |
Cephalosporins derivatives |
Jan. 29, 1991 |
| 4988686 |
Cephem compounds and anti-bacterial agent |
Jan. 29, 1991 |
| 4971961 |
Cephalosporin compounds and antibacterial agents |
Nov. 20, 1990 |
| 4962100 |
3-Condensed imidazolium-cephem compounds |
Oct. 9, 1990 |
| 4960766 |
Cephem compounds |
Oct. 2, 1990 |
| 4956358 |
Tricyclic cepham compounds and use |
Sep. 11, 1990 |
| 4952578 |
Cephem compound and a process for preparation thereof |
Aug. 28, 1990 |
| 4950661 |
Cephalosporin derivatives, and their application as antibiotics |
Aug. 21, 1990 |
| 4942159 |
Cephem compounds, their production and use |
Jul. 17, 1990 |
| 4933334 |
Antibiotic composition |
Jun. 12, 1990 |
| 4929612 |
Thiadiazolylacetamide cephem derivatives |
May. 29, 1990 |
| 4927818 |
Cephem compounds and processes for preparation thereof |
May. 22, 1990 |
| 4921850 |
3-propenylcephem derivative |
May. 1, 1990 |
| 4921851 |
Cephem compounds, their production and use |
May. 1, 1990 |
| 4918070 |
Cephalosporin derivatives and antibacterial agents |
Apr. 17, 1990 |
| 4906623 |
3-Imidazolium cephalosporin derivatives |
Mar. 6, 1990 |
| 4897270 |
Pharmaceutical compositions |
Jan. 30, 1990 |
| 4894371 |
3-substituted-aminomethyl cephalosporin derivatives |
Jan. 16, 1990 |
| 4891370 |
Cephalosporin derivatives as anti-inflammatory agents |
Jan. 2, 1990 |
| 4880795 |
Cephalosporins |
Nov. 14, 1989 |
| 4868173 |
Cephalosporin derivatives |
Sep. 19, 1989 |
| 4868174 |
3,7-Disubstituted-3-cephem compounds |
Sep. 19, 1989 |
| 4861769 |
Cephem compounds |
Aug. 29, 1989 |
| 4845087 |
Crystallized cephem-acid addition salts, and a process for the preparation thereof |
Jul. 4, 1989 |
| 4845088 |
Tetrazolyl derivatives of beta-lactams useful as elastase inhibitors |
Jul. 4, 1989 |
| 4839350 |
Cephalosporin compounds and the production thereof |
Jun. 13, 1989 |
| 4826834 |
Cephem compounds |
May. 2, 1989 |
| 4822786 |
Cephalosporin compounds, and antibacterial agents |
Apr. 18, 1989 |
| 4822785 |
Cephalosporin injection |
Apr. 18, 1989 |
| 4812561 |
Crystalline hydrate of oral cephalosporin and its composition |
Mar. 14, 1989 |
| 4808617 |
Lyophilized or precipitated cephalosporin zwitterion and salt combination |
Feb. 28, 1989 |
| 4800199 |
3-[2-thiazoloamino]-8-oxo-7-substituted-5-thia-1-a zabicyclo-[4.2.0]oct-2-ene-2-carboxylic acid and salts thereof and diphenylmethyl esters thereof |
Jan. 24, 1989 |
| 4783443 |
Amino acyl cephalosporin derivatives |
Nov. 8, 1988 |
| 4767754 |
Cephalosporins |
Aug. 30, 1988 |
| 4760060 |
3-heteroaralkylthio carbacephem compounds and antibacterial pharmaceutical composition |
Jul. 26, 1988 |
| 4758558 |
N-(substituted)-[7-(2-cyanoacetamido)cephalosporanic]amide derivatives having antibiotic utility |
Jul. 19, 1988 |
| 4757065 |
Cephalosporins |
Jul. 12, 1988 |
| 4749694 |
Novel lysine esters used as absorption |
Jun. 7, 1988 |
| 4748171 |
Cephem compounds having at the 3-position a (1,4-methylene-1-piperidinio)methyl group or a (1-quinuclidinio)methyl group |
May. 31, 1988 |
| 4748172 |
3-bicyclicpyridinium-methyl cephalosporins |
May. 31, 1988 |
| 4748163 |
Novel .beta.-lactam antibiotics |
May. 31, 1988 |
| 4742053 |
3-Isoquinoliniomethyl cephalosporin derivatives |
May. 3, 1988 |
| 4735938 |
2-aminothiazolyl-containing .beta.-lactam antibiotics |
Apr. 5, 1988 |
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