FLEXSYS AMERICA L.P.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 16122
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 498
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3113
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
  
 
C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS121
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8207247 Processes for preparing rubber blend compositionsMay 01, 08Jun 26, 12[C08J]
7718722 Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubberMay 20, 03May 18, 10[C07C, C08L, C08K]
7183439 Process for preparing 4-aminodiphenylamine intermediatesMay 23, 03Feb 27, 07[C07C]
6583320 Process for preparing 4-aminodiphenylamine intermediatesMay 10, 02Jun 24, 03[C07C]
6533859 Surface treated carbon black having improved dispersability in rubber and compositions of rubber therefrom having improved processability, rheological and dynamic mechanical propertiesMay 21, 01Mar 18, 03[C09C, C01D, C08K]
6395933 Process for preparing 4-aminodiphenylamine intermediatesJul 23, 01May 28, 02[C07C]
6329457 Cure parameters in rubber vulcanizationDec 06, 96Dec 11, 01[C08J, C08K]
6271420 Preparation of quinonediimines from phenylenediamines using hydrogen peroxide and a catalystApr 21, 00Aug 07, 01[C07C]
6207764 Halogenated elastomer compositionsApr 26, 95Mar 27, 01[C08L]
6184276 Quinone diimine as a rubber additiveApr 20, 00Feb 06, 01[C08K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8597734 Curing system and coatings obtained thereofExpiredDec 11, 08Dec 03, 13[B05D]
2011/0105,669 PROCESS OF FORMING VULCANIZABLE ELASTOMERIC COMPOSITIONS USING ULTRA ACCELERATORS AND PRODUCTS FORMED THEREFROMAbandonedOct 30, 09May 05, 11[C08L, C08K]
2004/0039,181 Process for preparing aromatic azo and hydrazo compounds, aromatic amides and aromatic aminesAbandonedMay 20, 03Feb 26, 04[C09B]
6646029 Pyrimidine derivatives as hardness stabilizersExpiredMar 21, 01Nov 11, 03[C08J]
6495723 Zeolite support loaded with a base material for use in the coupling of aniline and nitrobenzeneExpiredJun 21, 00Dec 17, 02[C07C, B01J]
6465604 Pyrimidine derivatives as hardness stabilizersExpiredMar 21, 01Oct 15, 02[C08G]
2002/0132,888 Alkylthio-and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubberAbandonedNov 20, 01Sep 19, 02[C08K]
2002/0128,499 2-Thio-5-amino substituted benzoquinones, their manufacture and their use in rubberAbandonedDec 05, 01Sep 12, 02[C07C]
6420581 Manufacture of zinc hexasulfide amine complexesExpiredJun 28, 00Jul 16, 02[C07F]
6187937 Preparation of N-phenyl-benzoquinoneimine from hydroxydiphenylaminesExpiredDec 23, 98Feb 13, 01[C07C]
6114469 Rubber compositions containing zinc hexasulfide complexesExpiredAug 17, 98Sep 05, 00[C08C, C08K]
6072061 Preparation of quinoneimines from hydroxyphenylamines using a hypochlorite as an oxidation agentExpiredMar 19, 99Jun 06, 00[C07C]
5977411 Catalytic hydrogeneration of nitrobenzene to 4-aminodiphenylamine in the presence of a hydroxyl compound and a solventExpiredJun 10, 97Nov 02, 99[C07C]
5633407 Process for preparing substituted aromatic aminesExpiredMay 18, 95May 27, 97[C07C]
5618979 Process for preparing substituted aromatic aminesExpiredMay 18, 95Apr 08, 97[C07C]
5552531 Process for preparing substituted aromatic azo compoundsExpiredApr 06, 93Sep 03, 96[C07C]
5382629 Rubber compositions comprising a polymeric amine co-activatorExpiredJan 18, 94Jan 17, 95[C08L]
5382691 Process for preparing substituted aromatic aminesExpiredNov 05, 93Jan 17, 95[C07C]
5374689 Rubber compositions containing 2-pyrazine sulfenamidesExpiredMay 04, 93Dec 20, 94[C08C]
5260454 Bis-pyrimidyl thiol sulfenimide compoundsExpiredFeb 08, 93Nov 09, 93[C07D]

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