SPECTRA GROUP LIMITED, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 169
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
G09B EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 142

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6200646 Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technologyAug 25, 99Mar 13, 01[B05D]
5998496 Photosensitive intramolecular electron transfer compoundsAug 19, 96Dec 07, 99[C07F, C08F]
5942554 Method for forming highly colored polymeric bodiesFeb 20, 96Aug 24, 99[C08F]
5623080 Fluorone and pyronin Y derivativesFeb 15, 95Apr 22, 97[A01N, C07D]
5395862 Photooxidizable initiator composition and photosensitive materials containing the sameDec 09, 92Mar 07, 95[C08F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0140,537 BLOOD SIMULANT FOR SIMULATOIN-BASED MEDICAL TRAUMA TRAININGAbandonedNov 18, 14May 21, 15[C09K, G09B]
2014/0306,168 PHOTOSENSITIZATION OF PERSULFATE FOR PHOTO-INDUCED POLYMERIZATIONAbandonedApr 12, 13Oct 16, 14[C08G]
6586494 Radiation curable inkjet compositionExpiredAug 08, 01Jul 01, 03[C08F]
6479217 Method for producing selectively colorable printing platesExpiredFeb 22, 01Nov 12, 02[G03F]
6433035 Selectively colorable polymerizable compositionsExpiredAug 14, 00Aug 13, 02[C08J, G03C, G03F]
6309797 Selectively colorable polymerizable compositionsExpiredApr 26, 00Oct 30, 01[G03C, G03F]
6211262 Corrosion resistant, radiation curable coatingExpiredApr 20, 99Apr 03, 01[C08F]
6166233 Onium gallates cationic initiatorsExpiredAug 17, 99Dec 26, 00[C07F, C08F]
5955002 Method for determining properties of a polymer coating or film cured by cationic polymerizationExpiredNov 12, 97Sep 21, 99[G01N]
5717217 Method for determining thickness, degree of cure and other properties of a polymeric coatingExpiredMay 05, 94Feb 10, 98[G01N]
5639802 Cationic polymerizationExpiredNov 23, 93Jun 17, 97[C08F, C08L]
5606171 Method for determining thickness, degree of cure and other properties of a polymeric coating or filmExpiredJun 05, 95Feb 25, 97[G01N]
5451343 Fluorone and pyronin y derivativesExpiredNov 19, 93Sep 19, 95[F21V, G03C]
5137800 Production of three dimensional bodies by photopolymerizationExpiredJun 14, 90Aug 11, 92[C08F, G03C]
4849076 Continuous oxidation methodExpiredOct 13, 87Jul 18, 89[C07C]

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