Inventor · disambiguated record
Ralf Gradtke
Also filed as: GRADTKE RALF
40 granted patents·20 pending applications·214 citations·filing 1999–2020
97Inventor score
Top patents by PatentIndex Score
60 records- 0198US6956062B2Storage-stable compositions of glycerol monoalkyl ethersAIR LIQUIDE SANTE INT·Filed 2001·Granted Oct 18, 2005·101 cites·12 claims
- 0295US8329063B2Low-emission formaldehyde donor preparationsBEILFUSS WOLFGANG·Filed 2005·Granted Dec 11, 2012·15 cites·23 claims
- 0387US8592358B2Storage-stable, synergistic microbicidal concentrates containing an isothiazolone, an amine and an oxidizing agentBEILFUSS WOLFGANG·Filed 2010·Granted Nov 26, 2013·5 cites·19 claims
- 0485US8349881B2Methods for preserving technical products such as fuels and lubricants with a microbicidal compositionAIR LIQUIDE SANTE INT·Filed 2010·Granted Jan 8, 2013·6 cites·6 claims
- 0585US7935701B2Microbicidal composition based on formaldehyde donor compounds and antioxidantsAIR LIQUIDE SANTE INT·Filed 2006·Granted May 3, 2011·5 cites·27 claims
- 0685US7368466B2Low-temperature-stable preservativesAIR LIQUIDE SANTE INT·Filed 2006·Granted May 6, 2008·4 cites·19 claims
- 0784US7045542B1Low-temperature-stable preservativesAIR LIQUIDE SANTE INT·Filed 2000·Granted May 16, 2006·17 cites·17 claims
- 0883US8864853B2Additive mixture for the bactericidal and anticorrosive additization of fuelsBEILFUSS WOLFGANG·Filed 2010·Granted Oct 21, 2014·2 cites·13 claims
- 0982US8058218B2Composition based on glycerol ether/polyol mixturesBEILFUSS WOLFGANG·Filed 2008·Granted Nov 15, 2011·2 cites·18 claims
- 1081US6348483B1Use of derivatives of methylene-bis-oxazolidine and compositions obtained therebyAIR LIQUIDE SANTE INT·Filed 1999·Granted Feb 19, 2002·23 cites·13 claims
- 1178US7781467B2Microbicidal composition based on formaldehyde donor compounds and antioxidantsAIR LIQUIDE SANTE INT·Filed 2004·Granted Aug 24, 2010·5 cites·1 claims
- 1277US8093193B2Composition based on glycerol ether/polyol mixturesBEILFUSS WOLFGANG·Filed 2011·Granted Jan 10, 2012·1 cites·3 claims
- 1376US9212331B2Additive mixture for the bactericidal and anticorrosive additization of fuelsAIR LIQUIDE·Filed 2014·Granted Dec 15, 2015·1 cites·1 claims
- 1476US8076363B2Isothiazolone-containing preservative with improved effectivenessGRADTKE RALF·Filed 2006·Granted Dec 13, 2011·1 cites·3 claims
- 1575US8765657B2Antimicrobially effective use solutions comprising combinations of isothiazolones and aminesBEILFUSS WOLFGANG·Filed 2010·Granted Jul 1, 2014·1 cites·15 claims
- 1674US8084480B2Microbicidal composition based on formaldehyde donor compounds and antioxidantsGRADTKE RALF·Filed 2008·Granted Dec 27, 2011·1 cites·6 claims
- 1774US7481973B2Composition and process for chemical and thermal disinfectionL AIR LIQUIDE SANTE INTERNAT·Filed 2004·Granted Jan 27, 2009·9 cites·50 claims
- 1871US9883671B2Mixture of natural or nature-identical alcohols with improved effectivenessLAIR LIQUIDE SA POUR LETUDE ET LEXPLOITATION DES PROCEDES·Filed 2013·Granted Feb 6, 2018·1 cites·7 claims
- 1970US7364746B2Liquid concentrate for the preservation of cosmetic and pharmaceutical productsAIR LIQUIDE SANTE INT·Filed 2003·Granted Apr 29, 2008·3 cites·60 claims
- 2070US6465498B2Use of derivatives of methylene-bis-oxazolidine and compositions obtained therebyAIR LIQUIDE SANTE INT·Filed 2001·Granted Oct 15, 2002·3 cites·25 claims
- 2168US2016008470A1Storage-stable compositions of glycerol monoalkyl ethersAIR LIQUIDE SANTE INT·Filed 2015·Application pending·0 cites
- 2267US8895043B2Reducing formaldehyde emissions in formal-containing compositionsAIR LIQUIDE SANTE INT·Filed 2013·Granted Nov 25, 2014·0 cites·6 claims
- 2367US8592489B2Storage-stable compositions of glycerol monoalkyl ethersBEILFUSS WOLFGANG·Filed 2011·Granted Nov 26, 2013·0 cites·2 claims
- 2465US6380391B2Process for the preparation of bis(4-amino-1-pyridinium) alkanesAIR LIQUIDE SANTE INT·Filed 2001·Granted Apr 30, 2002·3 cites·10 claims
- 2565US2005238681A1Storage-stable compositions of glycerol monoalkyl ethersBEILFUSS WOLFGANG·Filed 2005·Application pending·0 cites
- 2664US10836658B2Liquid preparation for the reduction of free oxygen and the preservation of waterAIR LIQUIDE·Filed 2018·Granted Nov 17, 2020·0 cites·16 claims
- 2764US8877983B2Process for the preparation of 1-alkyl glycerol ethersBEILFUSS WOLFGANG·Filed 2010·Granted Nov 4, 2014·1 cites·10 claims
- 2864US2008161392A1Liquid concentrate for the preservation of cosmetic and pharmaceutical productsL AIR LIQUIDE SANTE INTERNATIO·Filed 2008·Application pending·0 cites
- 2963US8841349B2Stabilize compositions based on monoalkyl glycerol ethers and aromatic alcoholsBEILFUSS WOLFGANG·Filed 2004·Granted Sep 23, 2014·1 cites·5 claims
- 3063US8568754B2Low-emission formaldehyde donor preparations and use thereofBEILFUSS WOLFGANG·Filed 2003·Granted Oct 29, 2013·1 cites·23 claims
- 3162US8728998B2Glyceryl ethers as preservatives for cooling lubricantsBEILFUSS WOLFGANG·Filed 2007·Granted May 20, 2014·0 cites·19 claims
- 3262US7846885B2Glyceryl ethers as preservatives for cooling lubricantsAIR LIQUIDE SANTE INT·Filed 2007·Granted Dec 7, 2010·0 cites·10 claims
- 3361US8710103B2Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteriaAIR LIQUIDE SANTE INT·Filed 2013·Granted Apr 29, 2014·0 cites·2 claims
- 3459US9872496B2Microbicidal preparations based on 1, 2-benzisothiazonlin-3-one with a content of aromatic alcoholBEILFUSS WOLFGANG·Filed 2007·Granted Jan 23, 2018·0 cites·11 claims
- 3559US8765795B2Isothiazolone-containing preservative with improved effectivenessGRADTKE RALF·Filed 2011·Granted Jul 1, 2014·0 cites·2 claims
- 3659US2013096167A1Methods for preserving technical products such as fuels and lubricants with a microbicidal compositionL AIR LIQUIDE SANTE INTERNATIONAL·Filed 2012·Application pending·0 cites
- 3758US10519144B2Condensation product of 1-amino-2-propanol and formaldehyde and the use thereof for reducing the amount of hydrogen sulphide in liquids and gasesSCHUELKE & MAYR GMBH·Filed 2017·Granted Dec 31, 2019·0 cites·19 claims
- 3858US2016040085A1Additive mixture for the bactericidal and anticorrosive additization of fuelsAIR LIQUIDE·Filed 2015·Application pending·0 cites
- 3958US2005113425A1Bactericidal and fungicidal liquid preparations for industrial productsAIR LIQUIDE SANTE INT·Filed 2004·Application pending·0 cites
- 4057US10584283B2Preservative for technical productsSCHUELKE & MAYR GMBH·Filed 2016·Granted Mar 10, 2020·0 cites·15 claims
- 4157US8795698B2System cleaner concentrateBEILFUSS WOLFGANG·Filed 2007·Granted Aug 5, 2014·0 cites·17 claims
- 4257US7268102B2Glyceryl ethers as preservatives for cooling lubricantsAIR LIQUIDE SANTE INT·Filed 2003·Granted Sep 11, 2007·2 cites·2 claims
- 4356US7781466B2Preparation for the fungicidal and algicidal finish of alkaline coating compositionsAIR LIQUIDE SANTE INT·Filed 2006·Granted Aug 24, 2010·0 cites·8 claims
- 4456US2018250207A1Liquid concentrate for preserving cosmeticsSCHUELKE & MAYR GMBH·Filed 2016·Application pending·0 cites
- 4556US2020146953A1Liquid concentrate for preserving cosmeticsSCHUELKE & MAYR GMBH·Filed 2020·Application pending·0 cites
- 4654US8440725B2Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteriaBEILFUSS WOLFGANG·Filed 2010·Granted May 14, 2013·0 cites·1 claims
- 4753US2021322289A1Synergistically-acting compositions for microbe reduction that comprise aromatic alcohol, glyceryl ether and bispyridinium alkane and use of such compositionsSCHUELKE & MAYR GMBH·Filed 2019·Application pending·0 cites
- 4852US11399541B2Storage-stable microbicidal concentrates and use thereof as preservativesVINK CHEMICALS GMBH & CO KG·Filed 2018·Granted Aug 2, 2022·0 cites·20 claims
- 4952US2004059006A1Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteriaFiled 2003·Application pending·0 cites
- 5052US2010310487A1Active ingredient combination and use thereofAIR LIQUIDE SANTE INT·Filed 2009·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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