PHOTOGEN TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 4227
 
 
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 3260

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6258339 Osmotically stabilized microbubble preparationsMay 05, 97Jul 10, 01[A61B]
5733527 Methods for harmonic imaging with ultrasoundJul 29, 96Mar 31, 98[A61B]
5695741 Stable microbubble precursorsJun 07, 95Dec 09, 97[A61B]
5639443 Stabilized microbubble compositionsMar 16, 95Jun 17, 97[A61K]
5626833 Ultrasound imaging method using microbubblesJun 07, 95May 06, 97[A61B]
5605673 Stabilized microbubble compositions for ultrasoundAug 01, 94Feb 25, 97[A61K]
5540909 Harmonic ultrasound imaging with microbubblesSep 28, 94Jul 30, 96[A61K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7374744 Harmonic ultrasound imaging with microbubblesExpiredOct 09, 02May 20, 08[A61K]
7141235 Stabilized gas emulsion containing phospholipid for ultrasound contrast enhancementExpiredAug 28, 01Nov 28, 06[A61B]
6953569 Mixed gas microbubble compositionsExpiredDec 19, 01Oct 11, 05[A61B]
6706253 Osmotically stabilized microbubble preparationsExpiredMay 21, 01Mar 16, 04[A61B]
6652544 Percutaneous bypass graft and securing systemExpiredNov 21, 01Nov 25, 03[A61B, A61F]
2003/0138,380 Gas emulsions stabilized with fluorinated ethers having low Ostwald coefficientsABANSep 27, 02Jul 24, 03[A61K]
6372195 Mixed gas microbubble compositionsExpiredJan 17, 97Apr 16, 02[A61B]
2002/0028,179 Stable microbubble precursorsABANJul 30, 01Mar 07, 02[A61K]
6287539 Methods of imaging using osmotically stabilized microbubble preparationsExpiredMay 05, 97Sep 11, 01[A61B]
6280704 Ultrasonic imaging system utilizing a long-persistence contrast agentExpiredDec 08, 97Aug 28, 01[A61B]
6280705 Kits & systems for ultrasonic imagingExpiredJan 26, 98Aug 28, 01[A61B]
6193952 Stabilized gas emulsions containing phospholipid for ultrasound contrast enhancementExpiredFeb 09, 98Feb 27, 01[B01J, A61K]
6056943 Methods of ultrasound imaging using phospholipid stabilized microbubblesExpiredJun 05, 98May 02, 00[A61B]
6036644 Enhanced methods of ultrasound imaging using multiple frequenciesExpiredJun 05, 98Mar 14, 00[A61B]
6019960 Systems for harmonic ultrasound imagingExpiredJun 27, 97Feb 01, 00[A61B]
5804162 Gas emulsions stabilized with fluorinated ethers having low Ostwald coefficientsExpiredJun 07, 95Sep 08, 98[G01N, A61K]
5798091 Stabilized gas emulsion containing phospholipid for ultrasound contrast enhancementExpiredFeb 28, 95Aug 25, 98[A61B]
5720938 Systems for the formation of microbubblesExpiredJun 07, 95Feb 24, 98[A61B]
5144703 Bathtub linerExpiredMar 04, 91Sep 08, 92[A47K]

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