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name:-0.056907176971436
name:-0.044489145278931
name:-0.014195919036865
Voelkel; Ludwig Patent Filings

Voelkel; Ludwig

Patent Applications and Registrations

Patent applications and USPTO patent grants for Voelkel; Ludwig.The latest application filed is for "use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants".

Company Profile
12.46.55
  • Voelkel; Ludwig - Limburgerhof DE
  • VOELKEL; Ludwig - Limburgerthof DE
  • Voelkel; Ludwig - Limbergerhof DE
  • Voelkel; Ludwig - Odenwaldring DE
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Use Of Nitrogen Compounds Quaternised With Alkylene Oxide And Hydrocarbyl-substituted Polycarboxylic Acid As Additives In Fuels And Lubricants
App 20210363451 - Hansch; Markus ;   et al.
2021-11-25
Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants
Grant 11,111,449 - Hansch , et al. September 7, 2
2021-09-07
Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels
Grant 10,858,608 - Boehnke , et al. December 8, 2
2020-12-08
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
Grant 10,815,444 - Hansch , et al. October 27, 2
2020-10-27
Use Of Nitrogen Compounds Quaternised With Alkylene Oxide And Hydrocarbyl-substituted Polycarboxylic Acid As Additives In Fuels
App 20200255755 - Kind Code
2020-08-13
Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants
Grant 10,689,326 - Hansch , et al.
2020-06-23
Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants
Grant 10,676,685 - Hansch , et al.
2020-06-09
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 10,550,346 - Roeger-Goepfert , et al. Fe
2020-02-04
Use Of Nitrogen Compounds Quaternised With Alkylene Oxide And Hydrocarbyl-substituted Polycarboxylic Acid As Additives In Fuels
App 20190367828 - Hansch; Markus ;   et al.
2019-12-05
Use of a complex ester to reduce fuel consumption
Grant 10,465,138 - Walter , et al. No
2019-11-05
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
App 20190316053 - HANSCH; Markus ;   et al.
2019-10-17
Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants
Grant 10,407,634 - Hansch , et al. Sept
2019-09-10
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20190264119 - GRABARSE; Wolfgang ;   et al.
2019-08-29
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
Grant 10,370,610 - Hansch , et al.
2019-08-06
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 10,344,241 - Grabarse , et al. July 9, 2
2019-07-09
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 10,336,957 - Grabarse , et al.
2019-07-02
Corrosion inhibitors for fuels and lubricants
Grant 10,240,100 - Mezger , et al.
2019-03-26
Quaternized Ammonium Salts Of Hydrocarbyl Epoxides And Use Thereof As Additives In Fuels And Lubricants
App 20190084922 - Hansch; Markus ;   et al.
2019-03-21
Use Of A Hydrocarbyl-substituted Dicarboxylic Acid For Improving Or Boosting The Separation Of Water From Fuel Oils And Gasoline Fuels
App 20190040332 - BOEHNKE; Harald ;   et al.
2019-02-07
Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20190031969 - ROEGER-GOEPFERT; Cornelia ;   et al.
2019-01-31
Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants
Grant 10,173,963 - Hansch , et al. J
2019-01-08
Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels
Grant 10,174,269 - Boehnke , et al. J
2019-01-08
Polymers as additives for fuels and lubricants
Grant 10,150,927 - Mezger , et al. Dec
2018-12-11
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 10,119,085 - Roeger-Goepfert , et al. November 6, 2
2018-11-06
Use Of A Complex Ester To Reduce Fuel Consumption
App 20180305631 - WALTER; Marc ;   et al.
2018-10-25
Use of a complex ester to reduce fuel consumption
Grant 10,030,206 - Walter , et al. July 24, 2
2018-07-24
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20180201857 - GRABARSE; Wolfgang ;   et al.
2018-07-19
Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20180201856 - ROEGER-GOEPFERT; Cornelia ;   et al.
2018-07-19
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 9,988,589 - Grabarse , et al. June 5, 2
2018-06-05
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20180119041 - GRABARSE; Wolfgang ;   et al.
2018-05-03
Use of a polyalkylene glycol to reduce fuel consumption
Grant 9,957,455 - Voelkel , et al. May 1, 2
2018-05-01
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 9,951,285 - Roeger-Goepfert , et al. April 24, 2
2018-04-24
Use of an alkoxylated polytetrahydrofuran to reduce fuel consumption
Grant 9,951,288 - Voelkel , et al. April 24, 2
2018-04-24
Use Of Nitrogen Compounds Quaternised With Alkylene Oxide And Hydrocarbyl-substituted Polycarboxylic Acid As Additives In Fuels And Lubricants
App 20170342340 - HANSCH; Markus ;   et al.
2017-11-30
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20170145333 - GRABARSE; Wolfgang ;   et al.
2017-05-25
Polycarboxylic Acid-based Additives For Fuels And Lubricants
App 20170130153 - PERETOLCHIN; Maxim ;   et al.
2017-05-11
Corrosion Inhibitors For Fuels And Lubricants
App 20170066986 - MEZGER; Jochen ;   et al.
2017-03-09
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 9,587,194 - Grabarse , et al. March 7, 2
2017-03-07
Polymers As Additives For Fuels And Lubricants
App 20170037336 - MEZGER; Jochen ;   et al.
2017-02-09
Use Of Specific Derivatives Of Quaternized Nitrogen Compounds As Additives In Fuels And Lubricants
App 20160272911 - HANSCH; Markus ;   et al.
2016-09-22
Use Of A Polyalkylene Glycol To Reduce Fuel Consumption
App 20160272912 - VOELKEL; Ludwig ;   et al.
2016-09-22
Composition and method to improve the fuel economy of hydrocarbon fueled internal combustion engines
Grant 9,447,351 - Jung , et al. September 20, 2
2016-09-20
Use Of A Complex Ester To Reduce Fuel Consumption
App 20160264898 - WALTER; Marc ;   et al.
2016-09-15
Use Of An Alkoxylated Polytetrahydrofuran To Reduce Fuel Consumption
App 20160264899 - VOELKEL; Ludwig ;   et al.
2016-09-15
Use Of Quaternized Alkyl Amines As Additive In Fuels And Lubricants
App 20160251588 - HANSCH; Markus ;   et al.
2016-09-01
Use Of A Hydrocarbyl-substituted Dicarboxylic Acid For Improving Or Boosting The Separation Of Water From Fuel Oils And Gasoline Fuels
App 20160160144 - BOEHNKE; Harald ;   et al.
2016-06-09
Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive
Grant 9,359,570 - Lange , et al. June 7, 2
2016-06-07
Use Of Nitrogen Compounds Quaternised With Alkylene Oxide And Hydrocarbyl-substituted Polycarboxylic Acid As Additives In Fuels And Lubricants
App 20160130514 - HANSCH; Markus ;   et al.
2016-05-12
Betaine Compounds As Additives For Fuels
App 20160108331 - VOELKEL; Ludwig ;   et al.
2016-04-21
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
Grant 9,255,236 - Grabarse , et al. February 9, 2
2016-02-09
Use Of A Reaction Product Of Carboxylic Acids With Aliphatic Polyamines For Improving Or Boosting The Separation Of Water From Fuel Oils
App 20150275116 - PERETOLCHIN; Maxim ;   et al.
2015-10-01
Quaternized Ammonium Salts Of Hydrocarbyl Epoxides And Use Thereof As Additives In Fuels And Lubricants
App 20150266808 - Hansch; Markus ;   et al.
2015-09-24
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20150259618 - GRABARSE; WOLFGANG ;   et al.
2015-09-17
Quaternized Polyether Amines And Their Use As Additive For Fuels And Lubricants
App 20150252277 - HANSCH; Markus ;   et al.
2015-09-10
Imidazolium salts as additives for fuels
Grant 9,062,266 - Peretolchin , et al. June 23, 2
2015-06-23
Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20150159103 - ROEGER-GOEPFERT; Cornelia ;   et al.
2015-06-11
Polytetrahydrobenzoxazines And Bistetrahydrobenzoxazines And Use Thereof As A Fuel Additive Or Lubricant Additive
App 20150152349 - LANGE; Arno ;   et al.
2015-06-04
Use of a reaction product of carboxylic acids with aliphatic polyamines for improving or boosting the separation of water from fuel oils
Grant 9,039,791 - Peretolchin , et al. May 26, 2
2015-05-26
Use Of Polyalkylene Glycol To Reduce Fuel Consumption
App 20150113859 - VOELKEL; Ludwig ;   et al.
2015-04-30
Use Of An Alkoxylated Polytetrahydrofuran To Reduce Fuel Consumption
App 20150113867 - VOELKEL; Ludwig ;   et al.
2015-04-30
Use Of A Complex Ester To Reduce Fuel Consumption
App 20150113864 - Walter; Marc ;   et al.
2015-04-30
Quaternized copolymer
Grant 8,911,516 - Grabarse , et al. December 16, 2
2014-12-16
Fuel additive composition
App 20140338253 - JUNG; Alfred K. ;   et al.
2014-11-20
Acid-free Quaternized Nitrogen Compounds And Use Thereof As Additives In Fuels And Lubricants
App 20140331550 - GRABARSE; Wolfgang ;   et al.
2014-11-13
Quaternized terpolymer
Grant 8,790,426 - Garcia Castro , et al. July 29, 2
2014-07-29
Use Of The Reaction Product Formed From A Hydrocarbyl-substituted Dicarboxylic Acid And A Nitrogen Compound To Reduce Fuel Consumption
App 20140020285 - VOELKEL; Ludwig ;   et al.
2014-01-23
Use Of A Reaction Product Of Carboxylic Acids With Aliphatic Polyamines For Improving Or Boosting The Separation Of Water From Fuel Oils
App 20130312318 - PERETOLCHIN; Maxim ;   et al.
2013-11-28
Use Of Quaternized Alkyl Amines As Additive In Fuels And Lubricants
App 20130296210 - HANSCH; Markus ;   et al.
2013-11-07
Quaternized Polyether Amines And Their Use As Additive For Fuels And Lubricants
App 20130225463 - HANSCH; Markus ;   et al.
2013-08-29
Imidazolium Salts As Additives For Fuels
App 20130205654 - PERETOLCHIN; Maxim ;   et al.
2013-08-15
Process of producing bleach boosters
Grant 8,426,596 - Voelkel , et al. April 23, 2
2013-04-23
Fuel Additives With Improved Miscibility And Reduced Tendency To Form Emulsions
App 20130091762 - VOELKEL; Ludwig ;   et al.
2013-04-18
Organic catalyst with enhanced enzyme compatibility
Grant 8,147,563 - Miracle , et al. April 3, 2
2012-04-03
Process of producing bleach boosters
Grant 8,129,531 - Voelkel , et al. March 6, 2
2012-03-06
Organic Catalyst With Enhanced Enzyme Compatibility
App 20110283463 - MIRACLE; Gregory Scot ;   et al.
2011-11-24
Organic catalyst with enhanced enzyme compatiblity
Grant 8,021,437 - Miracle , et al. September 20, 2
2011-09-20
Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion
Grant 7,850,744 - Voelkel , et al. December 14, 2
2010-12-14
Mixture comprising a detergent and a co-detergent
Grant 7,842,302 - Mock-Knoblauch , et al. November 30, 2
2010-11-30
Fuel Additives With Improved Miscibility And Reduced Tendency To Form Emulsions
App 20100236140 - Voelkel; Ludwig ;   et al.
2010-09-23
Mixture, comprising a surfactant and a cosurfactant that is an amphiphilic polymer
Grant 7,727,948 - Mock-Knoblauch , et al. June 1, 2
2010-06-01
Mixture, comprising a surfactant and a cosurfactant
Grant 7,696,146 - Mock-Knoblauch , et al. April 13, 2
2010-04-13
Composition and Method to Improve the Fuel Economy of Hydrocarbon Fueled Internal Combustion Engines
App 20100006049 - Jung; Alfred K. ;   et al.
2010-01-14
Organic Catalyst With Enhanced Enzyme Compatiblity
App 20090222999 - Miracle; Gregory Scot ;   et al.
2009-09-10
Polymers that are soluble in water or can be dispersed in water and contain alkoxylated diallylamine derivatives
Grant 7,579,421 - Becker , et al. August 25, 2
2009-08-25
Organic catalyst with enhanced enzyme compatibility
Grant 7,557,076 - Miracle , et al. July 7, 2
2009-07-07
Organic Catalyst With Enhanced Enzyme Compatibility
App 20090149366 - Miracle; Gregory Scot ;   et al.
2009-06-11
Organic catalyst with enhanced enzyme compatibility
Grant 7,504,371 - Miracle , et al. March 17, 2
2009-03-17
Functional fluids containing alkylene oxide copolymers having low pulmonary toxicity
Grant 7,456,138 - Sherman , et al. November 25, 2
2008-11-25
Organic catalyst with enhanced enzyme compatibility
App 20060287210 - Miracle; Gregory Scot ;   et al.
2006-12-21
Organic catalyst with enhanced enzyme compatibility
App 20060089284 - Miracle; Gregory Scot ;   et al.
2006-04-27
Functional fluids containing alkylene oxide copolymers having low pulmonary toxicity
App 20050256014 - Sherman, John V. ;   et al.
2005-11-17
Preparation of alkylpolyalkylene glycol carboxylates
App 20020193624 - Zirnstein, Michael ;   et al.
2002-12-19

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