P

Inventor

LEHMANN THOMAS

DE37 patents
⚠️ This page may combine multiple inventors who share the name “LEHMANN THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEGUSSA

13 patents
US5767036AJun 16, 1998

Platinum-aluminum alloy catalyst for fuel cells and method of its production and use

DEGUSSA116 citations98
US6007934ADec 28, 1999

Co-tolerant anode catalyst for PEM fuel cells and a process for its preparation

DEGUSSA133 citations97
US6066410AMay 23, 2000

Anode catalyst for fuel cells with polymer electrolyte membranes

DEGUSSA111 citations95
US5489563AFeb 6, 1996

Platinum alloy catalyst for fuel cells and method of its production

DEGUSSA83 citations95
US6217728B1Apr 17, 2001

Electrolysis cell

DEGUSSA62 citations94
US6165635ADec 26, 2000

Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the same

DEGUSSA42 citations92
US6685818B2Feb 3, 2004

Process for the electrochemical preparation of hydrogen peroxide

DEGUSSA15 citations83
US4909916AMar 20, 1990

Method of working up the solution from the enzymatic resolution of a racemate of an N-acetyl-DL-amino-carboxylic acid

DEGUSSA8 citations74
US6071401AJun 6, 2000

Electrolytic method for purifying gases

DEGUSSA13 citations71
US5840174ANov 24, 1998

Process for the purification of gases

DEGUSSA12 citations70
US6475370B2Nov 5, 2002

Process for the production of 2-hydroxy-4-methylmercaptobutyric acid

DEGUSSA13 citations69
US6503386B2Jan 7, 2003

Process for the production of alkali metal- and ammonium peroxodisulfate

DEGUSSA3 citations62
US7332067B2Feb 19, 2008

Process for the preparation of α-substituted carboxylic acids from the series comprising α-hydroxycarboxylic acids and n-substituted-α-aminocarboxylic acids

DEGUSSA0 citations47

INFINEON TECHNOLOGIES AG

5 patents

3M ESPE AG

3 patents

SIEMENS ENERGY GLOBAL GMBH & CO KG

2 patents

BAYER AG

2 patents

ROCHE DIAGNOSTICS CORP

1 patent

SANDSTEDE GERD

1 patent

BOSCH GMBH ROBERT

1 patent

ROCHE MOLECULAR SYSTEMS INC

1 patent

WACKER POLYMER SYSTEMS GMBH

1 patent

UMICORE AG & CO KG

1 patent

SIEMENS ENERGY GLOBAL GMBH CO & KG

1 patent

FLOORING TECHNOLOGIES LTD

1 patent

DOCTER OPTICS SE

1 patent

SIEMENS AG

1 patent

STRIKER TIMOTHY

1 patent

BAYER HEALTHCARE AG

1 patent