Inventor
FEUSTEL MICHAEL
DE52 patents
⚠️ This page may combine multiple inventors who share the name “FEUSTEL MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLARIANT GMBH
14 patentsUS6566309B1May 20, 2003
Additives for inhibiting gas hydrate formation
CLARIANT GMBH70 citations96
US5925233AJul 20, 1999
Use of alkanesulfonic acids as asphaltene-dispersing agents
CLARIANT GMBH85 citations96
US6180683B1Jan 30, 2001
Synergistic mixtures of alkylphenol-formaldehyde resins with oxalkylated amines as asphaltene dispersants
CLARIANT GMBH55 citations95
US5998530ADec 7, 1999
Flowability of mineral oils and mineral oil distillates using alkylphenol-aldehyde resins
CLARIANT GMBH125 citations95
US6894007B2May 17, 2005
Additives for inhibiting gas hydrate formation
CLARIANT GMBH33 citations92
US6204420B1Mar 20, 2001
Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants
CLARIANT GMBH24 citations92
US6063146AMay 16, 2000
Ethercarboxylic acids as asphaltene dispersants in crude oils
CLARIANT GMBH30 citations92
US7160507B2Jan 9, 2007
Corrosion inhibitors with improved water solubility and improved film persistence
CLARIANT GMBH18 citations84
US6372918B1Apr 16, 2002
Compound for inhibiting corrosion
CLARIANT GMBH17 citations84
US6465528B1Oct 15, 2002
Aromatic aldehyde resins and their use as emulsion breakers
CLARIANT GMBH14 citations80
US5948237ASep 7, 1999
Use of sarcosinates as asphaltene-dispersing agents
CLARIANT GMBH13 citations73
US6488724B1Dec 3, 2002
Heavy oils having improved properties and an additive therefor
CLARIANT GMBH8 citations67
US7008561B2Mar 7, 2006
Ether carboxylic acids based on alkoxylated mercaptobenzothiazoles and use of the same as corrosion inhibitors
CLARIANT GMBH5 citations62
US6646016B2Nov 11, 2003
Aromatic aldehyde resins and their use as emulsion breakers
CLARIANT GMBH3 citations59
CLARIANT PRODUKTE DEUTSCHLAND
12 patentsUS8034748B2Oct 11, 2011
Additives for inhibiting the formation of gas hydrates
CLARIANT PRODUKTE DEUTSCHLAND16 citations92
US7435845B2Oct 14, 2008
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
CLARIANT PRODUKTE DEUTSCHLAND28 citations92
US7183240B2Feb 27, 2007
Additives for inhibiting the formation of gas hydrates
CLARIANT PRODUKTE DEUTSCHLAND26 citations92
US7893009B2Feb 22, 2011
Polymers and their production and use as gas hydrate inhibitors
CLARIANT PRODUKTE DEUTSCHLAND8 citations84
US7615102B2Nov 10, 2009
Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity
CLARIANT PRODUKTE DEUTSCHLAND12 citations84
US7253138B2Aug 7, 2007
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
CLARIANT PRODUKTE DEUTSCHLAND17 citations84
US7214814B2May 8, 2007
Additives for inhibiting gas hydrate formation
CLARIANT PRODUKTE DEUTSCHLAND13 citations84
US7569615B2Aug 4, 2009
Alkoxylated dendrimers and use thereof as biodegradable demulsifiers
CLARIANT PRODUKTE DEUTSCHLAND14 citations82
US7341617B2Mar 11, 2008
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
CLARIANT PRODUKTE DEUTSCHLAND7 citations73
US7348451B2Mar 25, 2008
Additives for inhibiting gas hydrate formation
CLARIANT PRODUKTE DEUTSCHLAND5 citations62
US7323609B2Jan 29, 2008
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
CLARIANT PRODUKTE DEUTSCHLAND6 citations62
US7297823B2Nov 20, 2007
Additives for inhibiting the formation of gas hydrates
CLARIANT PRODUKTE DEUTSCHLAND5 citations62
CLARIANT INT LTD
8 patentsUS6821933B2Nov 23, 2004
Additives for improving the cold flow properties and the storage stability of crude oil
CLARIANT INT LTD10 citations71
US6803492B2Oct 12, 2004
Additives based on components present in petroleum for improving the cold flow properties of crude and distillate oils
CLARIANT INT LTD7 citations66
US11981876B2May 14, 2024
Wax inhibitors with improved flowability
CLARIANT INT LTD0 citations63
US11692053B2Jul 4, 2023
Polymeric pour point depressants for waxy crude oils
CLARIANT INT LTD0 citations58
US11976248B2May 7, 2024
Dispersions of polymeric oil additives
CLARIANT INT LTD0 citations56
US11174445B2Nov 16, 2021
Additives for low-sulfur marine diesel
CLARIANT INT LTD0 citations56
US10889773B2Jan 12, 2021
Polymer compositions allowing easier handling
CLARIANT INT LTD0 citations52
US12060480B2Aug 13, 2024
Polymer compositions and use thereof as pour point depressants in paraffin-containing hydrocarbon oils
CLARIANT INT LTD0 citations45
HOECHST AG
7 patentsUS5391632AFeb 21, 1995
Terpolymers based on α,β-unsaturated dicarboxylic anhydrides, α,β-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols
HOECHST AG122 citations98
US5254652AOct 19, 1993
Terpolymers of ethylene, their preparation, and their use as additives for mineral oil distillates
HOECHST AG56 citations96
US5186720AFeb 16, 1993
Use of products of the reaction of alkenyl-spiro-bislactones with amines as paraffin-dispersants
HOECHST AG99 citations95
US4985048AJan 15, 1991
Polymer mixtures for improving the low-temperature flow properties of mineral oil distillates
HOECHST AG67 citations94
US5705603AJan 6, 1998
Polyetheramines with polymers of α, β-unsaturated dicarboxylic acids
HOECHST AG41 citations89
US5439981AAug 8, 1995
Graft polymers, their preparation and use as pour point depressants and flow improvers for crude oils, residual oils and middle distillates
HOECHST AG18 citations73
US5349019ASep 20, 1994
New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils
HOECHST AG12 citations71
LEINWEBER DIRK
3 patentsUS8735332B2May 27, 2014
Use of pyroglutamic acid esters as gas hydrate inhibitors with improved biodegradability
LEINWEBER DIRK2 citations61
US8067651B2Nov 29, 2011
1-alkyl-5-oxopyrrolidine-3-carboxylic esters with improved biodegradability
LEINWEBER DIRK3 citations61
US8722589B2May 13, 2014
Use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability
LEINWEBER DIRK1 citations51
FEUSTEL MICHAEL
2 patentsCLARIANT FINANCE BVI LTD
2 patentsCOHRS CARSTEN
1 patentSCI WORX GMBH
1 patentShowing the top 50 of 52 patents by PatentIndex Score.