Inventor

Wolfgang Appel

Inventor

Kelkheim, DE

Overview

24→

Patents

1977–2013

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary

C07CAcyclic or carbocyclic compounds31%

C07BGeneral methods of organic chemistry18%

C07DHeterocyclic compounds9%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

Y10TTechnical subjects covered by former us classification4%

A47JKitchen equipment2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

PatentTitleYear

8,466,037'Method for producing a thin chip comprising an integrated circuit'2013 7,951,691'Method for producing a thin semiconductor chip comprising an integrated circuit'2011 6,677,085'Electrolyte system for lithium batteries, the use thereof, and method for enhancing the safety of lithium batteries'2004 6,489,064'Electrolyte system for lithium batteries, the use thereof, and method for enhancing the safety of lithium batteries'2002 6,437,174'Method for producing 2-fluoro-isobutyric acid esters'2002 6,166,242'Method for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitriles'2000 6,159,640'Electrolyte system for lithium batteries and use of said system, and method for increasing the safety of lithium batteries'2000 6,103,659'Catalyst comprising an amidophosphonium salt for halex reactions'2000 5,990,539'Transistor component having an integrated emitter resistor'1999 5,856,558'Process for the preparation of novel stabilized phosphorus ylides'1999 5,808,129'Process for the preparation of novel stabilized phosphorus ylides'1998 5,780,672'Process for the selective preparation of monofluoro derivatives'1998 5,756,834'Process for preparing fluorinated aromatics'1998 5,716,756'Sulfonic acid esters, radiation-sensitive mixtures prepared therewith and their use'1998 5,614,626'1,2,3-Oxathiazin-4(3F)-one 2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents'1997 5,534,634'Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane'1996 5,525,729'Benz-1,2,3-oxathiazin-4(3F)-one-2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents'1996 5,471,002'Process for preparing trifluoromethylanilines'1995 5,274,126'Partially fluorinated tetracarboxylic acid and the dianhydride thereof, a process for their preparation and their use'1993 5,202,469'Partially fluorinated dicarboxylic acid and the acid chloride thereof, and a process for their preparation'1993 5,153,334'Partially fluorinated tetracarboxylic acid and the dianhydride thereof'1992 5,118,874'Partially fluorinated biphenyls, processes for their preparation and their use'1992 5,101,005'Crosslinkable polyimides from bis (aminophenoxy) benzonitriles'1992 4,062,275'Grill appliance'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Based in Munich, DE· patent location history

1992–1999Patents assigned to HOECHST AG (12)· patent assignee history

1992–2004Based in Kelkheim, DE· patent location history

1999–2013Based in Schwieberdingen, DE· patent location history

2000Patents assigned to AVENTIS RES & TECH GMBH & CO (2)· patent assignee history

2002–2004Patents assigned to SOLVAY FLUOR & DERIVATE (2)· patent assignee history

2011–2013Patents assigned to STUTTGART MIKROELEKTRONIK (2)· patent assignee history

2013Patents assigned to APPEL WOLFGANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	12	1992–1999
AVENTIS RES & TECH GMBH & CO	2	2000
SOLVAY FLUOR & DERIVATE	2	2002–2004
STUTTGART MIKROELEKTRONIK	2	2011–2013
APPEL WOLFGANGself	1	2013

Locations

Location	Patents	Span
Kelkheim, DE	20	1992–2004
Schwieberdingen, DE	3	1999–2013
Munich, DE	1	1977