Betz Laboratories, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 847
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 491
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 260
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 234
 
  
 
B01D SEPARATION 1133
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 114

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5871691 Inhibition of corrosion in aqueous systemsSep 27, 95Feb 16, 99[C23F, C02F]
5616278 Inhibition of scale and corrosion in aqueous systemsApr 19, 96Apr 01, 97[C02F]
5614101 Methods for treating mud wash emulsionsJul 13, 95Mar 25, 97[B01D]
5596130 Methods and compositions for reducing fouling deposit formation in jet enginesOct 25, 95Jan 21, 97[C10L]
5562830 Calcium carbonate scale controlling methodSep 14, 95Oct 08, 96[C02F]
5556451 Oxygen induced corrosion inhibitor compositionsJul 20, 95Sep 17, 96[C23F]
5541257 Reactive rinse aid for processing plastic surfacesMar 21, 95Jul 30, 96[C08F]
5536326 Method for enhancing the dewatering of starchSep 18, 95Jul 16, 96[C08B]
5518629 Methods for controlling scale formation in acqueous systemsNov 29, 94May 21, 96[C02F]
5519102 Aqueous polymerization method for poly(isopropenylphosphonic acid)May 09, 95May 21, 96[C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5856508 Fluorescent yellow 1,2,3,4-Tetrachloro-11H-Isoindolo-?2,1-A!-Benzimidazol-11-one pigmentsExpiredNov 16, 93Jan 05, 99[C07D]
5614081 Methods for inhibiting fouling in hydrocarbonsExpiredJun 12, 95Mar 25, 97[C10G]
5614103 Methods for detackifying paint spray booth waterExpiredDec 13, 94Mar 25, 97[B01D]
5601754 Water treatment polymer containing poly[oxy-[(hydroxymethyl)-1,2-ethanediyl]] macromonomers and methods of use thereofExpiredApr 21, 95Feb 11, 97[C23F, C02F]
5565619 Methods and apparatus for monitoring water process equipmentExpiredNov 14, 94Oct 15, 96[G01M]
5562816 Tar dissolution processExpiredAug 24, 94Oct 08, 96[C10G]
5562833 Dual feed paint detackification programExpiredFeb 03, 95Oct 08, 96[C02F]
5562862 Polybutene-based foam control composition for aqueous systemsExpiredApr 06, 94Oct 08, 96[B01D]
5562863 Methods and compositions for inhibiting vinyl aromatic monomer polymerizationExpiredJul 18, 95Oct 08, 96[C09K, B01D]
5560523 Apparatus for measuring and transferring liquidExpiredDec 16, 94Oct 01, 96[G01F]
5556510 Method for inhibiting the deposition of organic contaminants in polp and papermaking processesExpiredApr 25, 95Sep 17, 96[D21H]
5545347 Low phosphorous, low etch cleaner and methodExpiredJul 18, 95Aug 13, 96[C11D]
5545438 Hydrophilic treatment for aluminumExpiredMar 22, 95Aug 13, 96[C23C, B05D, F28F]
5538622 Methods and compositions for inhibiting the polymerization of dichlorobuteneExpiredJan 17, 95Jul 23, 96[C07C]
5531937 Water soluble cyclic amine-dicarboxylic acid-alkanol amine salt corrosion inhibitorExpiredSep 12, 95Jul 02, 96[C23F]
5527468 Nonionic polymers for the treatment of boiler waterExpiredDec 20, 94Jun 18, 96[C02F]
5525241 Solid halogen feed systemExpiredJun 01, 95Jun 11, 96[C02F]
5523002 Polymeric dithiocarbamic acid salt compositions and methods of useExpiredFeb 17, 95Jun 04, 96[C02F]
5521814 Process optimization and control system that plots inter-relationships between variables to meet an objectiveExpiredOct 18, 94May 28, 96[G06F]
5518555 Chromium and fluoride free metal treatmentExpiredMar 01, 95May 21, 96[C23C]

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