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Frederick M. Kahan Patents
Inventor:
Kahan; Frederick M.
Address:
Scotch Plains, NJ
No. of patents:
19
Patents:




Patent Number Title Of Patent Date Issued
5147868 Thienamycin renal peptidase inhibitors September 15, 1992
Novel chemical compounds are provided which selectively inhibit the metabolism of dipeptidase (E.C.3.4.13.11) and therefore are useful in combination with antibacterial products. These chemical compounds are z-2-acylamino-3-monosubstituted propenoates.
5071843 Combination of 2-substituted carbapenems with dipeptidase inhibitors December 10, 1991
A combination of a carbapenem of the formula: ##STR1## where R is H or CH.sub.3 and R.sup.1 is ##STR2## with a renal dipeptidase inhibitor is disclosed.
4880793 Combination of thienamycin-type antibiotics with dipeptidase inhibitors November 14, 1989
A novel antibacterial drug combination is provided, one component being a 2-substituted penem, and the other component is a dipeptidase (E.C.3.4.13.11) inhibitor. The dual-component combination is formulated so that 1 to 3 parts by weight of the penem are employed for 30 to 1 parts by
4668504 Use of substituted propenoates to prevent nephrotoxicity of certain antibiotics May 26, 1987
Antibiotics to prevent nephrotoxicity.
4616038 Combination of thienamycin-type antibiotics with dipeptidase inhibitors October 7, 1986
Antibacterial compositions of thienamycin-type compounds and a dipeptidase (E.C.3.4.13.11) inhibitor.
4539208 Combination of thienamycin-type antibiotics with dipeptidase inhibitors September 3, 1985
A novel antibacterial drug combination is provided, one component being a fused ring .beta.-lactam, such as thienamycin and its semi-synthetic derivatives, and the other component is a dipeptidase (E.C. 3.4.13.11) inhibitor. The dual-component combination is formulated so that 1 to 3
4304867 Culture of Streptomyces cattleya December 8, 1981
The antibiotic thienamycin is active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a newly-found and hitherto undescribed species of Streptomyces on suitable fermentation media.
4282322 Process for enzymatic deacylation of antibiotics August 4, 1981
This invention relates to two new antibiotics, desacetyl 890A.sub.1 and desacetyl 890A.sub.3, active against both gram-positive and gram-negative bacteria, which are produced by treating 890A.sub.1 and 890A.sub.3, respectively, with an N-acetylthienamycin amidohydrolase produced by a
4264734 Process for producing antibiotic desacetyl 890A.sub.10 April 28, 1981
This invention relates to the new antibiotic, desacetyl 890A.sub.10, active against both gram-positive and gram-negative bacteria, which is produced by treating 890A.sub.10 with an N-acetyl-890A.sub.10 amidohydrolase produced by a soil microorganism isolated by enrichment techniques. Thi
4229534 Acetylthienamycin production October 21, 1980
The antibiotic N-acetyl thienamycin and its non-toxic pharmaceutically acceptable salts are active against both gram-positive and gram-negative bacteria. The antiobiotic is produced by growing a species of Streptomyces on suitable fermentation media or alternatively by acetylation of
4165379 N-acetyl thienamycin August 21, 1979
The antibiotic N-acetyl thienamycin and its non-toxic pharmaceutically acceptable salts are active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a species of Streptomyces on suitable fermentation media or alternatively by acetylation of
4162193 Enzymatic cleavage of N-acyl-thienamycins July 24, 1979
A method is disclosed for cleaving N-acyl-thienamycin compounds to yield thienamycin. The new method disclosed herein utilizes enzymes which are penicillin amidohydrolases to treat the starting compounds resulting in the antibiotic thienamycin.
4135978 Production of N-acyl-thienamycins January 23, 1979
The disclosed invention is directed to a process for preparing N-acyl-thienamycins from thienamycin and the appropriate acyl group by reacting the same in the presence of certain penicillin amidohydrolases capable of producing N-acyl thienamycins.
4081548 Antibiotics March 28, 1978
The antibiotic thienamycin is active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a newly-found and hitherto undescribed species of Streptomyces on suitable fermentation media.
4031231 Antibacterial composition comprising 3-fluoro-D-alanine or deutero analog in combination with au June 21, 1977
Novel antibacterial compositions are prepared by combining 3-fluoro-D-alanine-type compound, such as 3-fluoro-D-alanine and its deutero analogs, and salts and esters thereof, with a 3-fluoro-D-alanine autoantagonist-inhibitor such as cycloserine-type compound. The compositions demons
4028405 Fluorinated amino acids June 7, 1977
Deutero analogs of 3-fluoro-D-alanine prepared by direct photofluorination of the D-amino acids demonstrate in vivo and in vitro antibacterial activity against both gram negative and gram positive microorganisms. Deuters analogs of 3-fluoro-L-alanine and 3-fluoro-D,L-alanine also dem
4006060 Thienamycin production February 1, 1977
The antibiotic thienamycin is active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a newly-found and hitherto undescribed species of Streptomyces on suitable fermentation media.
4000161 Process for purifying thienamycin December 28, 1976
Fermentation broths or impure solutions containing thienamycin, a substance having antibiotic activity against gram-negative and gram-positive microorganisms, are purified using ion exchange resins, poly-acrylamide gels or adsorbents such as polyester polymers or polystyrene, hydrophobic
3950357 Antibiotics April 13, 1976
The antibiotic thienamycin is active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a newly-found and hitherto undescribed species of Streptomyces on suitable fermentation media.


 
 
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