Inventor · disambiguated record
Achim Stammer
Also filed as: STAMMER ACHIM
41 granted patents·24 pending applications·426 citations·filing 1996–2023
97Inventor score
Top patents by PatentIndex Score
65 records- 0196US6676919B1Method for producing platinum metal catalystsBASF AG·Filed 2000·Granted Jan 13, 2004·106 cites·18 claims
- 0293US7754900B2Method for the production of dioxolaneBASF SE·Filed 2006·Granted Jul 13, 2010·14 cites·17 claims
- 0389US6427985B1Structured packing for heat exchange and mass transferBASF AG·Filed 2000·Granted Aug 6, 2002·39 cites·15 claims
- 0488US6187971B1Method for producing polyalcoholsBASF AG·Filed 1997·Granted Feb 13, 2001·38 cites·15 claims
- 0587US9975994B2Desalination of polyaryl ethers by means of melt extractionBASF SE·Filed 2016·Granted May 22, 2018·3 cites·11 claims
- 0685US10525439B2Process for the production of thermoplastic moulding compoundsINEOS STYROLUTION GROUP GMBH·Filed 2016·Granted Jan 7, 2020·2 cites·12 claims
- 0785US7863393B2Method for producing polyoxymethylenesBASF AG·Filed 2005·Granted Jan 4, 2011·9 cites·18 claims
- 0884US9738756B2Method for producing highly viscous polyamidesBASF SE·Filed 2014·Granted Aug 22, 2017·5 cites·20 claims
- 0984US8013087B2Method for the production of water absorbent polymer particles by polymerizing drops of a monomer solutionBASF SE·Filed 2007·Granted Sep 6, 2011·7 cites·14 claims
- 1084US6375920B2Process for the manufacture of hydrogen peroxideBASF AG·Filed 1997·Granted Apr 23, 2002·51 cites·15 claims
- 1182US9534083B2Production of polyamides by polycondensationBASF SE·Filed 2013·Granted Jan 3, 2017·3 cites·14 claims
- 1279US6018074AProcess for the preparation of polyalcoholsBASF AKTIENGESELLSHCAFT·Filed 1996·Granted Jan 25, 2000·20 cites·14 claims
- 1378US9045598B2Process for producing aromatic polyether sulfonesBASF SE·Filed 2013·Granted Jun 2, 2015·2 cites·11 claims
- 1478US6518441B2Method for oxidizing an organic compound containing at least one C-C double bondBASF AG·Filed 1998·Granted Feb 11, 2003·49 cites·11 claims
- 1578US6511053B2Packing for heat-exchange and mass-transfer columnsBASF AG·Filed 2001·Granted Jan 28, 2003·16 cites·12 claims
- 1677US6692616B2Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillationBASF AG·Filed 2000·Granted Feb 17, 2004·8 cites·23 claims
- 1776US9994678B2Process for the continuous preparation of an aliphatic or partially aromatic polyamideBASF SE·Filed 2014·Granted Jun 12, 2018·2 cites·30 claims
- 1876US6586642B2Color number improvement in polyhydric alcohols by hydrogenationBASF AG·Filed 2000·Granted Jul 1, 2003·13 cites·18 claims
- 1974US9701790B2Method for producing aliphatic or partially aromatic polyamides, said method comprising a solid-phase polymerization processBASF SE·Filed 2014·Granted Jul 11, 2017·1 cites·14 claims
- 2074US8629237B2Simplified production of nylon-6BASF SE·Filed 2012·Granted Jan 14, 2014·2 cites·17 claims
- 2173US6586641B2Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcoholsBASF AG·Filed 2000·Granted Jul 1, 2003·6 cites·17 claims
- 2270US10676569B2Method for continuously producing polyamide oligomers and producing semicrystalline or amorphous polyamides that can be thermoplastically processedBASF SE·Filed 2014·Granted Jun 9, 2020·1 cites·24 claims
- 2369US7598339B2Method for removing residual monomers from polyoxymethylenesBASF AG·Filed 2005·Granted Oct 6, 2009·2 cites·13 claims
- 2468US9631051B2Device for the synthesis of a polymer with extraction of a gaseous substance comprising a reaction chamber having at least one circular-cylindrical sectionBASF SE·Filed 2014·Granted Apr 25, 2017·1 cites·8 claims
- 2568US7713387B2Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectificationBASF AG·Filed 2004·Granted May 11, 2010·4 cites·29 claims
- 2667US8703879B2Continuous method for multi-staged drying and subsequent condensation of a polyamide granulateLOTH WOLFGANG·Filed 2009·Granted Apr 22, 2014·2 cites·23 claims
- 2764US8859721B2Process for working up particulate crude polyoxymethyleneDEININGER JÜRGEN·Filed 2012·Granted Oct 14, 2014·1 cites·10 claims
- 2863US2025368797A1Process for recovering raw materials from a polyurethane materialBASF SE·Filed 2023·Application pending·0 cites
- 2961US2025197589A1Separation of a polymer blend comprising a polyester by a solvent-based methodBASF SE·Filed 2023·Application pending·0 cites
- 3059US9428613B2Process for producing polyamide that is stable during processingBASF SE·Filed 2013·Granted Aug 30, 2016·0 cites·20 claims
- 3159US6809224B2Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillationBASF AG·Filed 2000·Granted Oct 26, 2004·2 cites·22 claims
- 3258US2025353990A1Process for recovering raw materials from a polyurethane materialBASF SE·Filed 2023·Application pending·0 cites
- 3353US11787892B2Process for making an oxymethylene polymerBASF SE·Filed 2018·Granted Oct 17, 2023·0 cites·9 claims
- 3453US11186684B2Method for continuously producing a polyamide powderBASF SE·Filed 2019·Granted Nov 30, 2021·0 cites·12 claims
- 3553US6592840B1Highly pure aqueous hydrogen peroxide solutions, method for producing same and their useBASF AG·Filed 1999·Granted Jul 15, 2003·17 cites·23 claims
- 3651US11897169B2Method for producing spherical thermoplastic polymer particlesBASF SE·Filed 2020·Granted Feb 13, 2024·0 cites·15 claims
- 3751US8957180B2Process for producing moldingsSCHERZER DIETRICH·Filed 2012·Granted Feb 17, 2015·0 cites·6 claims
- 3850US2016009869A1Preparation of polyamides by hydrolytic polymerization, postpolymerization and subsequent extractionBASF SE·Filed 2014·Application pending·0 cites
- 3949US2014350213A1Purification of polyamide particlesBASF SE·Filed 2013·Application pending·0 cites
- 4048US10843384B2Process for the production of thermoplastic moulding compoundsINEOS STYROLUTION GROUP GMBH·Filed 2016·Granted Nov 24, 2020·0 cites·13 claims
- 4148US9957355B2Device and method for synthesis of a polymer under separation of a gaseous substanceBASF SE·Filed 2014·Granted May 1, 2018·0 cites·4 claims
- 4248US2008283384A1Process for Producing Trioxane and at Least One ComonomerBASF SE·Filed 2006·Application pending·0 cites
- 4348US2014256905A1Preparation of polyamides by hydrolytic polymerization and subsequent devolatilizationBASF SE·Filed 2014·Application pending·0 cites
- 4448US2016325265A1Method for producing polyamides by means of a spray nozzle arrangement for the collision of spray jetsBASF SE·Filed 2014·Application pending·0 cites
- 4547US9914805B2Device for synthesizing a polymer with reduced formation of deposits in the reaction chamberBASF SE·Filed 2014·Granted Mar 13, 2018·0 cites·9 claims
- 4647US8530678B2Trioxane production method wherein a side aqueous flow is deducted at a first distillation stageSIEGERT MARKUS·Filed 2005·Granted Sep 10, 2013·0 cites·20 claims
- 4747US2014256887A1Preparation of polyamides by hydrolytic polymierization and multiple extractionBASF SE·Filed 2014·Application pending·0 cites
- 4847US2009275725A1Polysulphones and polyether sulphones with reduced yellow index and processes for their preparationBASF SE·Filed 2007·Application pending·0 cites
- 4946US2008194845A1Integrated Process For Preparing Trioxane From FormaldehydeBASF SE·Filed 2006·Application pending·0 cites
- 5046US2008281109A1Integrated Method For the Production of Trioxane From FormaldehydeBASF SE·Filed 2006·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →