Inventor · disambiguated record
Sigmar-Peter Von Halasz
Also filed as: VON HALASZ SIGMAR · VON HALASZ SIGMAR P · VON HALASZ SIGMAR-PETER
10 granted patents·197 citations·filing 1974–1997
91Inventor score
Top patents by PatentIndex Score
10 records- 0194US4158023AProcess for the manufacture of octafluoropropaneHOECHST AG·Filed 1978·Granted Jun 12, 1979·46 cites·7 claims
- 0288US4500437AWater soluble copolymers for use in fracture-acidizing of wellsCASSELLA FARBWERKE MAINKUR AG·Filed 1982·Granted Feb 19, 1985·48 cites·9 claims
- 0382US3985810AProcess for preparing perfluorinated ethersHOECHST AG·Filed 1975·Granted Oct 12, 1976·18 cites·10 claims
- 0481US3962358AProcess for preparing perfluorononanesHOECHST AG·Filed 1974·Granted Jun 8, 1976·12 cites·9 claims
- 0563US4970007AAqueous surfactant mixtures, and the use thereof in the recovery of crude oilHOECHST AG·Filed 1989·Granted Nov 13, 1990·22 cites·7 claims
- 0660US4551513AWater soluble copolymersCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Nov 5, 1985·12 cites·17 claims
- 0757US4324930A2,3-Dichloro-2-trifluoromethyl-1,1,1,3,4,4,5,5,5-nonafluoropentane and process for its manufactureHOECHST AG·Filed 1981·Granted Apr 13, 1982·11 cites·1 claims
- 0857US4145311AProcess for reactivating fluorination catalystsHOECHST AG·Filed 1978·Granted Mar 20, 1979·12 cites·5 claims
- 0954US5349019ANew copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oilsHOECHST AG·Filed 1993·Granted Sep 20, 1994·12 cites·7 claims
- 1034US5718821ACopolymers of ethylenically unsaturated carboxylic acid esters with polyoxyalkylene ethers of lower, unsaturated alcohols as flow-improving agents for paraffin containing oilsHOECHST AG·Filed 1997·Granted Feb 17, 1998·4 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →