PT SUB, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03C PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES 739
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 4100
 
  
 
C07K PEPTIDES 1135
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6942977 Immunoassays for determining vitamin b12, and reagents and kits thereforMay 28, 93Sep 13, 05[G01N, C07K]
5462835 Photocurable composition, flexible, photosensitive articles made therefrom, and methods of improving solvent resistance and flexibility of those articlesSep 16, 91Oct 31, 95[G03C]
5407784 Photocurable composition comprising maleic anhydride adduct of polybutadiene or butadiene copolymersMar 22, 91Apr 18, 95[G03C]
5370968 Photocurable elements having two photocurable layersFeb 15, 94Dec 06, 94[G03C]
5364741 Aqueous developable photosensitive polyurethane-(meth)acrylateJan 12, 93Nov 15, 94[G03F]
5362605 Photosensitive polymer composition for flexographic printing plates processable in aqueous mediaMay 10, 93Nov 08, 94[G03C]
5362806 Toughened photocurable polymer composition for processible flexographic printing platesJan 07, 93Nov 08, 94[C08L]
5344743 Photosensitive elastomer polymer compositions for flexographic printing platesMar 01, 93Sep 06, 94[G03F]
5328805 Aqueous developable photosensitive polyurethane-(meth)acrylateAug 28, 92Jul 12, 94[G03F]
5290663 Photocurable polyurethane-acrylate ionomer compositions for aqueous developable printing platesMar 01, 91Mar 01, 94[C08G, G03C, G03F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5448197 Frequency conversion circuit and mixing circuit including the sameExpiredFeb 04, 94Sep 05, 95[H03B, H04B]
5304458 Multiblock copolymers for flexographic printing platesExpiredSep 08, 92Apr 19, 94[G03C, G03F]
5290662 Photosensitive elastomer polymer compositions for flexographic printing platesExpiredApr 13, 92Mar 01, 94[G03C]
5147761 Method for preparing relief image printing platesExpiredJun 11, 90Sep 15, 92[G03F]
5143819 Aqueous developing, photocurable composition, photosensitive articles having layers made therefrom and method of improving those articlesExpiredJan 25, 91Sep 01, 92[G03C, G03F]
5006666 Electromagnetic shielding gasketExpiredApr 06, 90Apr 09, 91[H05K]
4966637 Method for manufacturing an electromagnetic shielding gasketExpiredJan 10, 89Oct 30, 90[B29C, B32B]
4927723 Relief printing plate manufactureExpiredJun 07, 88May 22, 90[G03L, G03F]
4870901 Apparatus for attaching a printing blanket to a printing cylinderExpiredDec 06, 88Oct 03, 89[B41F]
4857434 Radiation curable liquid (meth) acrylated polymeric hydrocarbon maleate prepolymers and formulations containing sameExpiredSep 02, 87Aug 15, 89[C08F]
4847182 Method for developing a photopolymer printing plate using a developer comprising terpene hydrocarbonsExpiredSep 03, 87Jul 11, 89[G03C, G03F]
4829896 Apparatus for attaching a printing blanket to a printing cylinderExpiredMay 06, 88May 16, 89[B41F]
4771078 Method of producing a foam from a radiation-curable compositionExpiredNov 12, 85Sep 13, 88[C08J, C08F]
4767793 Method of producing a foam from a radiation-curable compositionExpiredJan 07, 87Aug 30, 88[C08J, C08F]
4702994 Projection imaged relief printing platesExpiredJun 09, 86Oct 27, 87[G03F]
4689290 Photosensitive elastomeric polymer composition for flexographic printing plateExpiredMay 29, 86Aug 25, 87[G03C]
4686172 Photosensitive elastomeric composition for flexographic printing plates having improved softnessExpiredJul 18, 85Aug 11, 87[G03C]
4684600 Compressible photopolymer printing plateExpiredOct 02, 85Aug 04, 87[G03C]
4582777 Compressible printing plateExpiredMay 18, 83Apr 15, 86[G03C]
4547453 Compressible photopolymer printing plateExpiredNov 21, 83Oct 15, 85[G03C]

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