CK

Carl G. Krespan

EA E.I. Du Pont De Nemours And: 68 patents #26 of 8,010Top 1%
📍 Wilmington, DE: #22 of 3,182 inventorsTop 1%
🗺 Delaware: #51 of 7,163 inventorsTop 1%
Overall (All Time): #31,292 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDate
7179413 Flash-spinning process and solution Hyunkook Shin, Roger Keith Siemionko 2007-02-20
6525231 Producing hydrofluoro compounds by hydrogenolysis of iodides Douglas Robert Anton, Allen Capron Sievert 2003-02-25
6506950 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions 2003-01-14
6262320 Addition of trifluoromethanes to fluoroolefins and isomerization of monohaloperfluoro alkanes Viacheslav A. Petrov 2001-07-17
6194619 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions V. N. Mallikarjuna Rao, Frank J. Weigert 2001-02-27
6025521 Telomerization process for telomerizing ethylenic monomer compounds Viacheslav A. Petrov 2000-02-15
5962746 Process for preparing peroxides George F. Diffendall, Thomas Harding, Joseph Norman Hockman, Matthew Targett, Robert Clayton Wheland 1999-10-05
5929293 Process for the preparation of fluoroolefins Viacheslav A. Petrov 1999-07-27
5908966 Thermal process for the preparation of a telomeric alkyl iodide Viacheslav A. Petrov 1999-06-01
5831131 Process for preparing peroxides Robert Clayton Wheland 1998-11-03
5723701 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions 1998-03-03
5683978 Saturated linear polyfluorohydrocarbons in cleaning compositions V. N. Mallikarjuna Rao 1997-11-04
5574193 Initiators for telomerization of polyfluoroalkyl iodides with fluoroolefins Viacheslav A. Petrov, Bruce E. Smart 1996-11-12
5565081 Processes for the preparation of 2,2,3,3-tetrafluoropropionate salts and derivatives thereof Allen Capron Sievert 1996-10-15
5504265 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions V. N. Mallikarjuna Rao 1996-04-02
5481028 Lewis acid catalyzed conjugated iodofluorination of fluoroolefins Viacheslav A. Petrov 1996-01-02
5459212 Carbon based initiators for polymerization and telomerization of vinyl monomers Viacheslav A. Petrov 1995-10-17
5449837 Fluorinated methyl ethers V. N. Mallikarjuna Rao 1995-09-12
5416246 Chlorofluorocarbon isomerization Viacheslav A. Petrov, Bruce E. Smart 1995-05-16
5382704 Fluorinated methyl ethers V. N. Mallikarjuna Rao 1995-01-17
5336801 Processes for the preparation of 2,2,3,3-tetrafluoropropionate salts and derivatives thereof Allen Capron Sievert 1994-08-09
5286822 Perfluoroalkyl sulfide polymer solvents for fluoromonomer polymerization Robert Clayton Wheland 1994-02-15
5286398 End-capped polyalkylene oxide compositions with hydroxyl group functionality and use thereof for lubrication in refrigeration systems 1994-02-15
5276221 Process for production of polyfluoroolefins 1994-01-04
5268122 Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions V. N. Mallikarjuna Rao, Frank J. Weigert 1993-12-07