Inventor
SCHWEIGHARDT FRANK K
US21 patents
⚠️ This page may combine multiple inventors who share the name “SCHWEIGHARDT FRANK K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR PROD & CHEM
17 patentsUS4866096ASep 12, 1989
Stable fluorochemical aqueous emulsions
AIR PROD & CHEM95 citations96
US4695369ASep 22, 1987
Catalytic hydroconversion of heavy oil using two metal catalyst
AIR PROD & CHEM81 citations96
US5196348AMar 23, 1993
Perfluoro-crown ethers in fluorine magnetic resonance spectroscopy of biopsied tissue
AIR PROD & CHEM85 citations94
US4895876AJan 23, 1990
Concentrated stable fluorochemical aqueous emulsions containing triglycerides
AIR PROD & CHEM91 citations91
US4781676ANov 1, 1988
Interstitial administration of perfluorochemical emulsions for reoxygenation of hypoxic tumor cells
AIR PROD & CHEM38 citations91
US5068098ANov 26, 1991
Perfluoro-crown ethers in fluorine magnetic resonance spectroscopy
AIR PROD & CHEM40 citations90
US4838274AJun 13, 1989
Perfluoro-crown ethers in fluorine magnetic resonance imaging
AIR PROD & CHEM33 citations90
US4472263ASep 18, 1984
Process for solvent refining of coal using a denitrogenated and dephenolated solvent
AIR PROD & CHEM9 citations74
US4777304AOct 11, 1988
Perfluorinated butyl derivative compounds
AIR PROD & CHEM7 citations72
US4627913ADec 9, 1986
Catalytic coal liquefaction with treated solvent and SRC recycle
AIR PROD & CHEM1 citations52
US4956390ASep 11, 1990
Gas transport employing perfluorobutyldecalin
AIR PROD & CHEM0 citations51
US4881682ANov 21, 1989
Vapor phase soldering with perfluorinated butyl derivative compounds
AIR PROD & CHEM0 citations51
US4925992AMay 15, 1990
Perfluorinated 2-ISO propyl derivative compounds
AIR PROD & CHEM1 citations49
US4901910AFeb 20, 1990
Perfluorinated propyl derivative compounds for vapor bath soldering
AIR PROD & CHEM0 citations49
US4873315AOct 10, 1989
Perfluorinated propyl derivative compounds
AIR PROD & CHEM1 citations49
US4849553AJul 18, 1989
Perfluorinated dibutyl derivatives compounds
AIR PROD & CHEM1 citations49
US4827053AMay 2, 1989
Perfluorinated Di-isopropylmethyl decalin
AIR PROD & CHEM1 citations49
INT COAL REFINING CO
3 patentsUS4603115AJul 29, 1986
Automated process for solvent separation of organic/inorganic substance
INT COAL REFINING CO32 citations92
US4492674AJan 8, 1985
Automated apparatus for solvent separation of a coal liquefaction product stream
INT COAL REFINING CO14 citations73
US4514281AApr 30, 1985
Corrosion inhibition for distillation apparatus
INT COAL REFINING CO6 citations59