The Pennsylvania Research Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198
 
  
 
C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS121
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 198
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
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
5534026 Preparation of inexpensive, HIV-free human skin allograftApr 02, 92Jul 09, 96[A61F]
5439812 Antibodies catalyzing deamidation of proteinsApr 08, 92Aug 08, 95[C12P, C12N]
5352669 O.sup.6 -benzylated guanine, guanosine and 2'-deoxyguanosine compounds possessing O.sup.6 -alkylguanine-DNA alkyltransferase depleting activityNov 21, 90Oct 04, 94[A61K, C07H, C07D]
5276657 Metal-electroactive ceramic composite actuatorsFeb 12, 92Jan 04, 94[H04R]
5272338 Molecular imaging systemMay 21, 92Dec 21, 93[H01J]
5247023 Hydrocarbon polymers containing borane groups at chain ends or in polymer backboneJun 06, 91Sep 21, 93[C08F, C08C]
5221513 Apparatus and method for net shape finishing of gearsJan 31, 92Jun 22, 93[C21D]
5187987 Bending beam creep test device with piston having a gas bearingNov 19, 91Feb 23, 93[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5478785 Infiltration process for introducing additional phases for multiphase (composite) materialsExpiredNov 06, 89Dec 26, 95[C04B]
5338757 Method for treating retinopathy and other small vessel disorders associated with diabetesExpiredMay 01, 91Aug 16, 94[A61K]
5336164 Intravascular membrane lung apparatusExpiredJan 06, 92Aug 09, 94[A61F, A61M]
5300298 Methods of treating obesity with purine related compoundsExpiredMay 06, 92Apr 05, 94[A23K]
5296666 Microwave heating apparatus having two cavities and method of using the sameExpiredMay 04, 92Mar 22, 94[H05B]
5286800 Olefin graft copolymers prepared using borane-containing olefin backbone polymersExpiredApr 06, 92Feb 15, 94[C08F]
5274390 Frequency-Independent phased-array antennaExpiredDec 06, 91Dec 28, 93[H01Q]
5232850 Predatory Pseudomonas strain as a control of bacterial and fungal plant pathogensExpiredJul 19, 91Aug 03, 93[C12N]
5220824 High temperature, tube burst test apparatusExpiredAug 20, 91Jun 22, 93[G01M]
5196706 Extractor and deceleration lens for ion beam deposition apparatusExpiredJul 30, 91Mar 23, 93[H01V]
5188455 Apparatus for remote mixing of fluidsExpiredNov 13, 90Feb 23, 93[B01F]
5166907 Frequency agile sonic transducerExpiredJun 24, 91Nov 24, 92[H04R]
5149543 Ionically cross-linked polymeric microcapsulesExpiredOct 05, 90Sep 22, 92[A61K]
5147677 Process for producing microparticulated protein and the product thereofExpiredAug 21, 90Sep 15, 92[A23L]
5147826 Low temperature crystallization and pattering of amorphous silicon filmsExpiredAug 06, 90Sep 15, 92[H01L]
5132082 Process for reducing the oxygen potential of an inert processing atmosphereExpiredJun 12, 91Jul 21, 92[G22F]
5101003 Method for forming polythiophosphazene macromoleculesExpiredFeb 02, 90Mar 31, 92[C08G]
5093438 PolycarbophosphazenesExpiredJul 03, 90Mar 03, 92[C08F]
5091430 O.sup.6 -substituted guanine compounds and methods for depleting O.sup.6 -alkylguanine-DNA alkyltransferase levelsExpiredMar 13, 90Feb 25, 92[A61K, C07D]
5087434 Synthesis of diamond powders in the gas phaseExpiredApr 21, 89Feb 11, 92[B01S]

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