Inventor · disambiguated record
Wolfgang Appel
Also filed as: APPEL WOLFGANG · APPEL WOLFGANG K
24 granted patents·267 citations·filing 1975–2008
95Inventor score
Files withHOECHST AG12AVENTIS RES & TECH GMBH & CO2SOLVAY FLUOR & DERIVATE2BOSCH GMBH ROBERT1BOSCH SIEMENS HAUSGERAETE1
Top patents by PatentIndex Score
24 records- 0186US6103659ACatalyst comprising an amidophosphonium salt for halex reactionsAVENTIS RES & TECH GMBH & CO·Filed 1998·Granted Aug 15, 2000·34 cites·22 claims
- 0284US5716756ASulfonic acid esters, radiation-sensitive mixtures prepared therewith and their useHOECHST AG·Filed 1993·Granted Feb 10, 1998·29 cites·17 claims
- 0380US7951691B2Method for producing a thin semiconductor chip comprising an integrated circuitSTUTTGART MIKROELEKTRONIK·Filed 2008·Granted May 31, 2011·6 cites·19 claims
- 0479US6677085B2Electrolyte system for lithium batteries, the use thereof, and method for enhancing the safety of lithium batteriesSOLVAY FLUOR & DERIVATE·Filed 2001·Granted Jan 13, 2004·21 cites·19 claims
- 0577US5101005ACrosslinkable polyimides from bis (aminophenoxy) benzonitrilesHOECHST CELANESE CORP·Filed 1989·Granted Mar 31, 1992·22 cites·7 claims
- 0675US6489064B2Electrolyte system for lithium batteries, the use thereof, and method for enhancing the safety of lithium batteriesSOLVAY FLUOR & DERIVATE·Filed 2001·Granted Dec 3, 2002·22 cites·17 claims
- 0774US6159640AElectrolyte system for lithium batteries and use of said system, and method for increasing the safety of lithium batteriesHOECHST RES & TECHNOLOGY GMBH·Filed 1998·Granted Dec 12, 2000·56 cites·15 claims
- 0872US5756834AProcess for preparing fluorinated aromaticsHOECHST AG·Filed 1996·Granted May 26, 1998·14 cites·13 claims
- 0965US5534634AProcess for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethaneHOECHST AG·Filed 1994·Granted Jul 9, 1996·9 cites·16 claims
- 1056US6166242AMethod for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitrilesAVENTIS RES & TECH GMBH & CO·Filed 1998·Granted Dec 26, 2000·6 cites·30 claims
- 1155US5780672AProcess for the selective preparation of monofluoro derivativesHOECHST AG·Filed 1996·Granted Jul 14, 1998·11 cites·6 claims
- 1253US5471002AProcess for preparing trifluoromethylanilinesFiled 1994·Granted Nov 28, 1995·9 cites·14 claims
- 1352US8466037B2Method for producing a thin chip comprising an integrated circuitBURGHARTZ JOACHIM N·Filed 2008·Granted Jun 18, 2013·0 cites·18 claims
- 1448US5118874APartially fluorinated biphenyls, processes for their preparation and their useHOECHST AG·Filed 1991·Granted Jun 2, 1992·3 cites·21 claims
- 1547US6437174B1Method for producing 2-fluoro-isobutyric acid estersHOECHST SCHERING AGREVO GMBH·Filed 1997·Granted Aug 20, 2002·3 cites·5 claims
- 1646US5274126APartially fluorinated tetracarboxylic acid and the dianhydride thereof, a process for their preparation and their useHOECHST AG·Filed 1992·Granted Dec 28, 1993·3 cites·25 claims
- 1740US5856558AProcess for the preparation of novel stabilized phosphorus ylidesHOECHST AG·Filed 1997·Granted Jan 5, 1999·2 cites·7 claims
- 1838US5614626A1,2,3-Oxathiazin-4(3F)-one 2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agentsHOECHST AG·Filed 1995·Granted Mar 25, 1997·1 cites·2 claims
- 1938US5153334APartially fluorinated tetracarboxylic acid and the dianhydride thereofHOECHST AG·Filed 1991·Granted Oct 6, 1992·1 cites·1 claims
- 2037US5525729ABenz-1,2,3-oxathiazin-4(3F)-one-2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agentsHOECHST AG·Filed 1995·Granted Jun 11, 1996·1 cites·6 claims
- 2135US4062275AGrill applianceBOSCH SIEMENS HAUSGERAETE·Filed 1975·Granted Dec 13, 1977·11 cites·10 claims
- 2234US5990539ATransistor component having an integrated emitter resistorBOSCH GMBH ROBERT·Filed 1998·Granted Nov 23, 1999·3 cites·6 claims
- 2332US5202469APartially fluorinated dicarboxylic acid and the acid chloride thereof, and a process for their preparationHOECHST AG·Filed 1991·Granted Apr 13, 1993·0 cites·25 claims
- 2431US5808129AProcess for the preparation of novel stabilized phosphorus ylidesHOECHST AG·Filed 1996·Granted Sep 15, 1998·0 cites·5 claims
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