Weylchem Frankfurt GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 5133
 
  
 
C07D HETEROCYCLIC COMPOUNDS 3159
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
C07B GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9527789 Method for the preparation of phenolsJul 25, 14Dec 27, 16[C07C]
7273954 Catalytic method for the production of carbonyl compoundsNov 14, 03Sep 25, 07[C07C]
6930216 Method for the nuclear chlorination of ortho-xyleneSep 10, 03Aug 16, 05[C07C]
6844468 Process for preparing substituted benzoyl chloridesOct 03, 02Jan 18, 05[C07C]
6645904 Aminophosphonium compoundsApr 30, 02Nov 11, 03[C07D, B01J]
6465643 Aminophosphonium compoundsJul 17, 00Oct 15, 02[A61K, C07D]
6407029 Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium saltsJul 17, 00Jun 18, 02[C07D, C07C, B01J]
6184425 Process for preparing fluorine-containing compoundsJul 07, 99Feb 06, 01[C07B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8338649 Method for the production of aromatic carbonyl compoundsExpiredSep 02, 08Dec 25, 12[C07C]
7453013 Catalytic method for the production of carbonyl compoundsExpiredSep 11, 07Nov 18, 08[C07C]
7323599 Process for reductively aminating ketones and aldehydes with aqueous amines and catalysts suitable thereforExpiredSep 25, 06Jan 29, 08[C07C]

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