P

Inventor

MEIER MICHAEL

DE58 patents
⚠️ This page may combine multiple inventors who share the name “MEIER MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST AG

16 patents
US5395914AMar 7, 1995

Polyarylene ethers containing xanthone units, a process for their preparation, and their use

HOECHST AG23 citations92
US5136043AAug 4, 1992

Process for the preparation of aromatic sulfonyl chlorides

HOECHST AG16 citations73
US5416234AMay 16, 1995

Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone

HOECHST AG8 citations71
US5003079AMar 26, 1991

Process for the preparation of benzimidazolones

HOECHST AG10 citations71
US5387711AFeb 7, 1995

Process for preparing 3-sulfobenzoic acid and alkali metal salts thereof

HOECHST AG2 citations63
US5756757AMay 26, 1998

Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigments

HOECHST AG3 citations62
US5436370AJul 25, 1995

Process for the preparation of 3-nitrobenzenesulfonyl chloride

HOECHST AG3 citations62
US5281740AJan 25, 1994

Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone

HOECHST AG4 citations60
US5292966AMar 8, 1994

Process for the preparation of 2-nitro-3, 6-dichlorophenol

HOECHST AG2 citations59
US5777111AJul 7, 1998

Process for the preparation of 3-(N-Aryl-amino)-propyl-2'-sulfato-ethylsulfonyl compounds

HOECHST AG0 citations52
US5672738ASep 30, 1997

Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compounds

HOECHST AG0 citations52
US5550286AAug 27, 1996

Process for the preparation of aromatic carboxamides from aromatic carboxylic acids and urea

HOECHST AG1 citations52
US5371281ADec 6, 1994

Process for preparing alkali metal 3-sulfobenzoates

HOECHST AG1 citations52
US5695529ADec 9, 1997

Liquid formulation of N-(2-sulfatoethyl)piperazine sulfate

HOECHST AG0 citations50
US5563271AOct 8, 1996

N-(2-sulfatoethyl)piperazine sulfate and its preparation

HOECHST AG1 citations50
US5278341AJan 11, 1994

N-acylaminoalkyl 2-hydroxyethyl sulfides and a process for their preparation

HOECHST AG1 citations50

FRAUNHOFER GES FORSCHUNG

10 patents

MEIER MICHAEL

6 patents

BAYERISCHE MOTOREN WERKE AG

5 patents

SIKA TECH AG

3 patents

BOSCH GMBH ROBERT

2 patents

SIEMENS AG

2 patents

AZ ELECTRONIC MATERIALS D GMBH

1 patent

HOECHST CELANESE CORP

1 patent

AEMISEGGER STEVE

1 patent

BÜHLER LEO

1 patent

INTEL CORP

1 patent

GERSTLBERGER IRIS

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.