Patent Class: Organic Compounds -- Part Of The Class 532-570 Series (540/226)

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Process for production of 3-alkenylcephem compounds
Inventor: Nishioka, et al. | Patent Number: 7893254

3-alkenylcephem compounds and process for production thereof
Inventor: Nishioka, et al. | Patent Number: 7759483

Cephalosporin compounds comprising a C3 thio-methyl moiety substituted with N-containing heterocyclic group, and a C7 thiourea acetamido group, their preparations and uses thereof
Inventor: Chen, et al. | Patent Number: 7700581

Processes for the preparation of cephem derivatives
Inventor: Seo, et al. | Patent Number: 7544797

7-alkylidene-3-substituted-3-cephem-4-carboxylates as beta-lactamase inhibitors
Inventor: Buynak, et al. | Patent Number: 7488724

Process for the preparation of Cefditoren
Inventor: Prabhat, et al. | Patent Number: 7459550

Beta-lactamase substrates having phenolic ethers
Inventor: Tsien, et al. | Patent Number: 7396926

Process for preparing cephalosporins with salified intermediate
Inventor: Monguzzi, et al. | Patent Number: 7071329

7-Alkylidene-3-substituted-3-cephem-4-carboxylates as .beta.-lactamase inhibitors
Inventor: Buynak, et al. | Patent Number: 6916801

Synthesis of ceftiofur intermediate
Inventor: Deshpande, et al. | Patent Number: 6803461

Method for the preparation of ceftiofur sodium and its intermediates
Inventor: Deshpande, et al. | Patent Number: 6800756

7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof
Inventor: Hecker, et al. | Patent Number: 6723716

Intermediates for and synthesis of 3-methylene cephams
Inventor: Cooper, et al. | Patent Number: 6683176

Propenyl cephalosporin derivatives and process for the manufacture thereof
Inventor: Angehrn, et al. | Patent Number: 6583133

Method for preparation of ceftiofur sodium from its hydrohalide salts
Inventor: Deshpande, et al. | Patent Number: 6555679

Antibacterial cephalosporins
Inventor: Ascher, et al. | Patent Number: 6531465

Process for the preparation of furaca
Inventor: Kumar, et al. | Patent Number: 6476220

Ceftiofur, its intermediate and a process for the preparation of the same
Inventor: Handa, et al. | Patent Number: 6458949

Process for producing 3-cephem compounds
Inventor: Kameyama | Patent Number: 6448393

Compounds formed from two or three antibiotics and their processes of preparation
Inventor: Truett | Patent Number: 6437119

Process for preparation of 3-cephem compound
Inventor: Kameyama, et al. | Patent Number: 6420554

.beta.-lactamase inhibiting compounds
Inventor: Buynak, et al. | Patent Number: 6407091

Cephalosporin antibiotics
Inventor: Dahnke | Patent Number: 6329363

7-alkylidene cephalosporanic acid derivatives and methods of using the same
Inventor: Buynak, et al. | Patent Number: 6303592

Vinylpyrrolidinone cephalosporin derivatives
Inventor: Angehrn, et al. | Patent Number: 6294668

Cephem compounds
Inventor: Hanaki, et al. | Patent Number: 6294527

Process for the selective preparation of Z-isomers of 3-2(substituted vinyl)cephalosporins
Inventor: Okada, et al. | Patent Number: 6288223

Separation of cephalosporin isomers
Inventor: Ludescher, et al. | Patent Number: 6235897

Process for the production of cephalosporines
Inventor: Ludescher, et al. | Patent Number: 6169180

Cephem compounds and pharmaceutical use thereof
Inventor: Yoshida, et al. | Patent Number: 6150351

Process for purifying 7-substituted aminodeacetoxy-cephalosporins through the use of filtration membranes
Inventor: Lopez Ortiz, et al. | Patent Number: 6100393

Cephalosporin antibiotics
Inventor: Cho, et al. | Patent Number: 6087355

Cephalosporin antibiotics
Inventor: Cho, et al. | Patent Number: 6066630

Cephalosporin derivatives and processes for the preparation thereof
Inventor: Kim, et al. | Patent Number: 6063778

Cephalosporin antibiotics
Inventor: Cho, et al. | Patent Number: 6057312

Cephalosporin antibiotics
Inventor: Cho, et al. | Patent Number: 6030965

Cephalosporin antibiotics
Inventor: Cho, et al. | Patent Number: 6025352

Process for producing cephem compounds in an aqueous medium
Inventor: Shinohara, et al. | Patent Number: 5998611

Method for manufacture of cephalosporin and intermediates thereof
Inventor: Datta, et al. | Patent Number: 5945532

Process for the preparation of new intermediates useful in the synthesis of cephalosporins
Inventor: Sogli, et al. | Patent Number: 5945414

Prodrugs for .beta.-lactamase and uses thereof
Inventor: Kadow, et al. | Patent Number: 5773435

Cephalosporin antibiotics
Inventor: Hecker, et al. | Patent Number: 5756493

Crystalline benzathine salt of cefonicid and its preparation
Inventor: Polansky | Patent Number: 5705496

Cephalosporin antibiotics
Inventor: Christensen, et al. | Patent Number: 5698547

Cephem derivatives
Inventor: Atsumi, et al. | Patent Number: 5663162

Intermediates in the synthesis of cephalosporins
Inventor: Ludescher, et al. | Patent Number: 5639877

Alphalosporins and 1-carba-1-dethia cephalosporins
Inventor: Burton, et al. | Patent Number: 5635501

7-alkylidene cephalosporanic acid derivatives and methods of using the same
Inventor: Buynak, et al. | Patent Number: 5629306

Process for the preparation of cephalosporins
Inventor: Pessa, et al. | Patent Number: 5625058

Separation of cephalosporin isomers
Inventor: Ludescher, et al. | Patent Number: 5616703

Cephalosporin antibiotics
Inventor: Hecker, et al. | Patent Number: 5607926

Cephalosporin antibiotics
Inventor: Hecker, et al. | Patent Number: 5604218

Formation and utility of sulfonic acid protecting groups
Inventor: Roberts, et al. | Patent Number: 5596095

7-acylamino-3-substituted cephalosporanic acid derivatives
Inventor: Takaya, et al. | Patent Number: 5594132

Cephalosporin antibiotics
Inventor: Christensen, et al. | Patent Number: 5593986

2,2-disubstituted cephem sulphones
Inventor: Alpegiani, et al. | Patent Number: 5580865

Oxime derivatives of cephalosporanic structure
Inventor: Zenoni, et al. | Patent Number: 5574153

Process for the preparation of ceftriaxon disodium salt hemiheptahydrate
Inventor: Milac, et al. | Patent Number: 5527906

Process for the preparation of crystalline TACA
Inventor: Trodel, et al. | Patent Number: 5521308

Method for preparing cephalosporin derivatives
Inventor: Wang, et al. | Patent Number: 5498787

2-[(substituted) methylene]cephalosporin sulfones as antiinflammatory, antidegenerative and antithrombin agents
Inventor: Maiti, et al. | Patent Number: 5446037

2-spiro(2'-spirocycloalkyl)cyclopropyl cephalosporin sulfones as antiinflammatory and antigenerative agents
Inventor: Maiti, et al. | Patent Number: 5439904

3-heterocyclic thiomethyl cephalosporins
Inventor: Jung, et al. | Patent Number: 5412093

Cephalosporin derivatives
Inventor: Nakagawa, et al. | Patent Number: 5407930

Process for the production of cephalosporines
Inventor: Ascher, et al. | Patent Number: 5401841

Process for the preparation of cephalosporins intermediates
Inventor: Sogli, et al. | Patent Number: 5387679

Substituted cephalosporin sulfones as anti-inflammatory and antidegenerative agents
Inventor: Doherty, et al. | Patent Number: 5364848

Cephem derivatives
Inventor: Verweij, et al. | Patent Number: 5359058

1,1-dioxo-cephem-4-carbothiolic acid derivatives
Inventor: Alpegiani, et al. | Patent Number: 5356888

.beta.-lactam derivatives of the cephem sulphone type
Inventor: Bissolino, et al. | Patent Number: 5348952

Cephalosporin derivatives
Inventor: Yamamoto, et al. | Patent Number: 5332731

Intermediates for cephalosporins with sulfur containing oxyimino side chain
Inventor: Gotschi | Patent Number: 5319140

Process for the preparation of a 3-substituted thio-3-cephem compound
Inventor: Yamamoto, et al. | Patent Number: 5294705

Cephalosporin compounds
Inventor: Kim, et al. | Patent Number: 5292733

3-substituted cephalosporins, and their use as medicaments
Inventor: Schneider, et al. | Patent Number: 5276024

2-spirocyclopropyl cephalosporin sulfone derivatives
Inventor: Maiti, et al. | Patent Number: 5264430

2-spirocyclopropyl cephalosporin sulfone derivatives
Inventor: Maiti, et al. | Patent Number: 5264429

3-heterocyclic thiomethyl cephalosporins
Inventor: Jung, et al. | Patent Number: 5262410

2-spirocyclopropyl 4-acylcephems
Inventor: Maiti, et al. | Patent Number: 5258377

7-(Amino or protected amino)-3-thioheterobicyclic cephalosporins
Inventor: Ternansky | Patent Number: 5247073

3-fluorosulfonyloxyceph-3-em compounds
Inventor: Baker, et al. | Patent Number: 5245027

Cephem compounds, and antibacterial agents
Inventor: Suzue, et al. | Patent Number: 5244892

Cephalosporins
Inventor: Heymes | Patent Number: 5243043

Substituted 3-cephem compounds as antibacterial agents
Inventor: Nakanishi | Patent Number: 5242913

Bicyclic .beta.-lactam antibiotics
Inventor: Blaszczak, et al. | Patent Number: 5239068

Cephalosporin derivatives
Inventor: Hara, et al. | Patent Number: 5233035

Cephalosporin antibiotics
Inventor: Cazers, et al. | Patent Number: 5223496

Cephalosporin compounds
Inventor: Kim, et al. | Patent Number: 5202315

Amino protecting group
Inventor: Weigel | Patent Number: 5169945

Cephalosporin antibacterial compounds
Inventor: Keith, et al. | Patent Number: 5162523

Processes for making cephems from allenylazetidinone derivatives
Inventor: Farina, et al. | Patent Number: 5162521

Anti-bacterial cephalosporin compounds
Inventor: Albrecht, et al. | Patent Number: 5147871

Cephalosporin intermediates
Inventor: Kim, et al. | Patent Number: 5142041

.beta.-lactam antibiotics
Inventor: Blaszczak, et al. | Patent Number: 5142039

Cephalosporin antibiotics
Inventor: Cazers, et al. | Patent Number: 5134137

Process for the preparation of cefodizime sodium
Inventor: Martin | Patent Number: 5126445

3-propenylcephem derivative
Inventor: Kamiya, et al. | Patent Number: 5089491

Cephalosporin derivatives
Inventor: Nagano, et al. | Patent Number: 5081116

Substituted 3-cephem compounds as antibacterial agents
Inventor: Nakanishi | Patent Number: 5079242

Cephalosporin compounds
Inventor: Kobori, et al. | Patent Number: 5073551

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