Inventor · disambiguated record
Hans Buchwald
Also filed as: BUCHWALD HANS
25 granted patents·195 citations·filing 1983–1997
96Inventor score
Top patents by PatentIndex Score
25 records- 0173US6054064ARefrigerant of 1,1-difluoroethyleneSOLVAY·Filed 1995·Granted Apr 25, 2000·41 cites·19 claims
- 0259US5674825ADifluoromethoxy-2,2,2-trifluoroethane compositions and methods of useSOLVAY FLUOR & DERIVATE·Filed 1995·Granted Oct 7, 1997·15 cites·10 claims
- 0352US5271861AFluorochlorohydrocarbon-free cleaning compositionsKALI CHEMIE AG·Filed 1991·Granted Dec 21, 1993·9 cites·11 claims
- 0449US5336429AVirtually constant boiling point compositions based on isofluraneSOLVAY·Filed 1992·Granted Aug 9, 1994·13 cites·20 claims
- 0549US4492641AProcess for the chip forming, cutting or abrasive working of metalsKALI CHEMIE AG·Filed 1983·Granted Jan 8, 1985·8 cites·21 claims
- 0647US5393442ACompositions containing 1-chloro-2,2,2-trifluoroethyl defluoromethyl etherSOLVAY FLUOR & DERIVATE·Filed 1993·Granted Feb 28, 1995·9 cites·31 claims
- 0747US5300253A1-chloro-2,2,2-trifluoroethyl difluoromethyl ether compositions for removing water from surfacesSOLVAY FLUOR & DERIVATE·Filed 1992·Granted Apr 5, 1994·8 cites·11 claims
- 0844US5135676ACleaning compositions formed of hydrogen-containing fluorochlorohydrocarbons and partially fluorinated alkanolsKALI CHEMIE AG·Filed 1990·Granted Aug 4, 1992·9 cites·6 claims
- 0942US5529618ACompositions comprising difluoromethoxy-2,2,2-trifluoroethaneSOLVAY FLUOR & DERIVATE·Filed 1995·Granted Jun 25, 1996·9 cites·24 claims
- 1041US4746463AProcess for producing novel products by hydrogen fluoride with esters of fatty acidsKALI CHEMIE AG·Filed 1986·Granted May 24, 1988·3 cites·21 claims
- 1140US5476603ACompositions comprising chlorine-free, optionally hydrogen-containing fluorocarbonsSOLVAY FLUOR & DERIVATE·Filed 1994·Granted Dec 19, 1995·9 cites·19 claims
- 1239US4995908ADichlorotrifluoroethane-containing mixturesKALI CHEMIE AG·Filed 1988·Granted Feb 26, 1991·7 cites·17 claims
- 1339US4770714ASolvent mixture containing 2,2,2-trifluoroethanol for use as a cleaning compositionKALI CHEMIE AG·Filed 1987·Granted Sep 13, 1988·12 cites·9 claims
- 1439US4659493AProcess for producing novel products by hydrogen fluoride with esters of fatty acidsKALI CHEMIE AG·Filed 1984·Granted Apr 21, 1987·4 cites·10 claims
- 1538US5888688ADifluoromethoxy-2, 2, 2-trifluoroethane compositions and methods of useSOLVAY FLUOR & DERIVATE·Filed 1997·Granted Mar 30, 1999·1 cites·11 claims
- 1638US5102469ADichloropentafluoropropane-containing compositions for removing water from surfacesKALI CHEMIE AG·Filed 1991·Granted Apr 7, 1992·5 cites·11 claims
- 1736US5120462ADichloropentafluoropropanes and acetone compositionsKALI CHEMIE AG·Filed 1991·Granted Jun 9, 1992·6 cites·11 claims
- 1836US5114609ACleaning compositionsKALI CHEMIE AG·Filed 1990·Granted May 19, 1992·6 cites·14 claims
- 1935US5399281AComposition with hydrogen-containing fluorochlorohydrocarbonsKALI CHEMIE AG·Filed 1993·Granted Mar 21, 1995·6 cites·14 claims
- 2033US5429760ARefrigerant composition containing trifluoromethane and 1,1,1,2-tetrafluoroethaneSOLVAY FLUOR & DERIVATE·Filed 1993·Granted Jul 4, 1995·5 cites·6 claims
- 2133US5246618ACleaning compositions (containing fluorochlorocarbon, C1 to C4 alkanol and ethyl or methyl proprionate)KALI CHEMIE AG·Filed 1992·Granted Sep 21, 1993·4 cites·13 claims
- 2232US5112517ACleaning compositions comprising dichlorotrifluoroethanes and alkanolsKALI CHEMIE AG·Filed 1990·Granted May 12, 1992·3 cites·15 claims
- 2329US5087285ADichloromonofluoroethane compositionsKALI CHEMIE AG·Filed 1990·Granted Feb 11, 1992·1 cites·15 claims
- 2429US4906304ADifluorotetrachloroethane mixtures and their use in removing waxesKALI CHEMIE AG·Filed 1988·Granted Mar 6, 1990·2 cites·2 claims
- 2528US5304321ACleaning compositions, formed of hydrogen-containing fluorochlorohydrocarbons and partially fluorinated alkanolsKALI CHEMIE AG·Filed 1992·Granted Apr 19, 1994·0 cites·18 claims
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