WIGGIN AND DANA LLP;ATTENTION: PATENT DOCKETING

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3117
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 340
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 293
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C06D MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION 111
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6160076 Cross-linked aqueous polyurethane dispersions containing dimer/trimerJan 23, 95Dec 12, 00[C08G]
6133399 Aqueous polyurethane dispersions containing dimer/trimerJun 24, 94Oct 17, 00[C08G]
5614538 Synergistic antimicrobial composition containing pyrithione and alcoholDec 05, 94Mar 25, 97[A01N]
5562995 Discoloration prevention in pyrithione-containing coating compositionsFeb 03, 95Oct 08, 96[B32B]
5550294 Method of increasing hydrogenation rate of aromatic aminesSep 16, 94Aug 27, 96[C07C]
5518774 In-can and dry coating antimicrobialJun 26, 95May 21, 96[A01N, B05D, C09D]
5496642 Low VOC, fluorocompound-containing one-component and two-component coating compositions for slippery coatingsMay 09, 94Mar 05, 96[B32B]
5485722 Catalytic decomposition of hydroxylammonium nitrate-based monopropellantsOct 07, 93Jan 23, 96[C06D]
5460632 Low-foaming, enhanced wetting dye-leveling agentDec 29, 94Oct 24, 95[C09B]
5461020 Dialkyl amino pyridine catalysts which are bound to inorganic matrices and processes for their preparationMay 11, 94Oct 24, 95[B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5604132 Process flow injection analyzer and methodExpiredJan 23, 95Feb 18, 97[G01N]
5510097 Hydroxylammonium nitrate free of ammonium nitrateExpiredMay 19, 94Apr 23, 96[C01B]
5489535 Chlorine quality monitoring system and methodExpiredDec 16, 94Feb 06, 96[G01N]
5488187 Process for the production of dinitrobenzene and mononitrobenzeneExpiredAug 15, 94Jan 30, 96[C07C]
5468864 Process for preparing 2,6-dichloropyridineExpiredFeb 03, 94Nov 21, 95[C07D]
5454258 Broad range moisture analyzer and methodExpiredMay 09, 94Oct 03, 95[G01N]
5433802 Use of reduced volatility substituted hydrazine compounds in liquid-propellantsExpiredAug 01, 94Jul 18, 95[C06B]
5424449 Process for the preparation of 5-aminotetrazoleExpiredOct 28, 94Jun 13, 95[C07D]
5391268 Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrateExpiredJul 20, 94Feb 21, 95[C25B, B01D]
5342437 Gel-free paint containing zinc pyrithione cuprous oxide and carboxylic acidExpiredOct 15, 93Aug 30, 94[C09D]

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