P

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 patents
US4866096ASep 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 patents

SCHWEIGHARDT FRANK K

1 patent