WELFIDE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 4251
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07K PEPTIDES 1135
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6617133 Process for purifying recombinant human serum albuminMay 24, 99Sep 09, 03[C12P, C07K]
6372800 Benzene compound and pharmaceutical use thereofOct 19, 00Apr 16, 02[A61K, C07C]
5750150 Compositions for treating affected tissues, method for the preparation and usage thereofMay 28, 96May 12, 98[A61K]
5470589 Hardening agent for affected tissues of the digestive systemJul 07, 93Nov 28, 95[A61K]
5252344 Hardening agent for affected tissues of the digestive systemApr 24, 91Oct 12, 93[A61K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0090,558 Compositions and methods of using compositions with accelerated lymphocyte homing immunosuppressive propertiesAbandonedJun 27, 03Apr 28, 05[A61K]
6475506 Infusion preparationExpiredFeb 10, 99Nov 05, 02[A61K]
2002/0146,755 Quality control materialAbandonedFeb 01, 01Oct 10, 02[C12Q]
2002/0127,228 PGT and apoptosisAbandonedJun 04, 01Sep 12, 02[A61K, C12Q]
2002/0062,491 Method of producing primary hepatocellular carcinoma-bearing model animalsAbandonedSep 19, 01May 23, 02[A01K]
5776488 Liposome preparationExpiredSep 10, 96Jul 07, 98[A61K]
5760032 Thienylazole compound and thienotriazolodiazepine compoundExpiredNov 22, 96Jun 02, 98[A61K, C07D]
5753649 Therapeutic agent for osteoporosis and diazepine compoundExpiredAug 30, 96May 19, 98[A61K, C07D]
5753670 Carboxylic acid compound having condensed ring, salt thereof and pharmaceutical use thereofExpiredMar 26, 97May 19, 98[A61K, C07D]
5750545 Triazole derivative and pharmaceutical use thereofExpiredJan 23, 96May 12, 98[A61K, C07D]
5705630 2'-methylidenepyrimidine nucleoside compoundsExpiredJan 07, 92Jan 06, 98[C07H]
5691330 Condensed thiophene compound and pharmaceutical use thereofExpiredJun 07, 95Nov 25, 97[A61K, C07D]
5688818 Succinamic acid compound, production method thereof and use thereofExpiredMar 14, 96Nov 18, 97[C07D]
5677300 Pyridothiazineacetic acid compound, production thereof and use thereofExpiredSep 03, 96Oct 14, 97[A61K, C07D]
5677316 8-methoxy-quinolonecarboxylic acid derivativesExpiredJun 07, 95Oct 14, 97[A61K, A01N, C07D]
5665711 Antitumor composition for oral administrationExpiredDec 12, 95Sep 09, 97[A61K]
5658924 1,8-naphthyridin-2-one derivative and use thereofExpiredJun 01, 95Aug 19, 97[A61K, C07D]
5635505 1,4-benzoxazine-2-acetic acid compound, method for production thereof and use thereofExpiredJul 03, 96Jun 03, 97[A61K, C07D]
5635527 Carboxylic acid compound having condensed ring, salt thereof and pharmaceutical use thereofExpiredFeb 06, 96Jun 03, 97[A61K, C07D, C08B]
5632986 Phospholipid-targeted thrombolytic agentsExpiredMay 15, 95May 27, 97[A61K, C12N, C07K]

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