P

Inventor

SCHMITZ HANS-PETER

DE26 patents
⚠️ This page may combine multiple inventors who share the name “SCHMITZ HANS-PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CLARIANT GMBH

18 patents
US6355832B1Mar 12, 2002

Processing for preparing salts of dialkylphosphinic acids

CLARIANT GMBH85 citations97
US6569974B1May 27, 2003

Polymeric phosphinic acids and salts thereof

CLARIANT GMBH56 citations96
US6534673B1Mar 18, 2003

Process for preparing salts of dialkylphosphinic acids

CLARIANT GMBH47 citations95
US6727335B2Apr 27, 2004

Polymeric phosphinic acids and salts thereof

CLARIANT GMBH43 citations92
US6359171B1Mar 19, 2002

Process for preparing dialkylphosphinic acids and their salts

CLARIANT GMBH41 citations92
US6329544B1Dec 11, 2001

Process for preparing dialkylphosphinic acids

CLARIANT GMBH30 citations92
US6300516B1Oct 9, 2001

Process for preparing dialkylphosphinic acids

CLARIANT GMBH33 citations92
US5973194AOct 26, 1999

Process for preparing dialkylphosphinate salts

CLARIANT GMBH24 citations92
US6600068B2Jul 29, 2003

Process for preparing ethanebis(methylphosphinic) acid

CLARIANT GMBH17 citations84
US6583315B2Jun 24, 2003

Process for preparing ethanebis(alkylphosphinic) acids

CLARIANT GMBH19 citations84
US7129320B2Oct 31, 2006

Modified polyethylenephosphinic acids and their salts

CLARIANT GMBH8 citations74
US6639017B1Oct 28, 2003

Flame-retardant unsaturated polyester resins

CLARIANT GMBH10 citations74
US6600067B2Jul 29, 2003

Process for preparing ethylenediphosphonic acids

CLARIANT GMBH9 citations74
US6420598B1Jul 16, 2002

Process for preparing alkylphosphonic acids

CLARIANT GMBH8 citations74
US6770779B1Aug 3, 2004

Process for preparing alkylphosphonite esters

CLARIANT GMBH8 citations73
US6388125B1May 14, 2002

Process for preparing phosphinic acids

CLARIANT GMBH5 citations63
US6242642B1Jun 5, 2001

Process for preparing arylalphosphinic acids

CLARIANT GMBH5 citations63
US6232493B1May 15, 2001

Process for preparing metal salts of arylalkylphosphinic acids

CLARIANT GMBH6 citations63

SULZER AG

2 patents

HOECHST AG

2 patents

THYSSENKRUPP STAHL AG

1 patent

CLARIANT PRODUKTE DEUTSCHLAND

1 patent

BARMAG BARMER MASCHF

1 patent

RUHRCHEMIE AG

1 patent