Inventor

Klaus Lorenz

Inventor

Dormagen, DE

Overview

1984–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 62 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds28%

C07CAcyclic or carbocyclic compounds10%

A01NPreservation of bodies of humans or animals or plants or parts thereof9%

C07DHeterocyclic compounds9%

C08LCompositions of macromolecular compounds5%

D21HPulp compositions5%

A61LMethods or apparatus for sterilising materials or objects in general3%

B01DSeparation3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

C08JWorking-up2%

PatentTitleYear

10,982,039PUR/PIR rigid foams made of polyaddition oligoesters2021 10,961,346Method for the preparation of polyoxyalkylene polyols2021 10,787,550Composite components on the basis of hydrophobic polyols2020 10,457,775Method for producing high molecular weight polyoxyalkylene polyols2019 10,253,134Rigid PUR/PIR foams of isopropylidenediphenol-based polyethers2019 10,131,743Method for working up alkaline polyether polyols2018 9,994,672Hydroxy-aminopolymers and method for producing same2018 9,826,734Etherified lactate esters, method for the production thereof and use thereof for enhancing the effect of plant protecting agents2017 9,757,492'Hydroxy amino polymer and use thereof in polyurea/polyurethane tissue adhesives'2017 9,714,216'Use of urethane alcohols for preparation of polyether polyols'2017 9,580,540'Hydroxy amino polymer and use thereof in polyurea/polyurethane tissue adhesives'2017 9,468,701'Isocyanate-functional prepolymer for a biologically degradable fabric adhesive'2016 9,375,509'Isocyanate-functional prepolymer for a biologically degradable fabric adhesive'2016 9,328,196'Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups'2016 9,284,401'Process for the preparation of polyether-ester polyols'2016 9,238,711'Hydroxylamino polymer and method for the production thereof'2016 9,193,822'Process for producing polyester polyols having secondary OH end groups'2015 9,169,185'Method for the preparation of polyether polyols'2015 9,139,691'Process for preparing high molecular weight polyether polyols'2015 9,139,685'Process for the preparation of a polyurethane polymer with secondary hydroxyl end groups comprising polyester polyols'2015 9,067,874'Method for producing polyether polyols'2015 9,029,495'Process for producing polyether polyols having primary hydroxyl end groups'2015 9,006,499'Process for preparing polyether polyols'2015 8,987,529'Process for preparing polyether polyols'2015 8,901,036'Combinations of phenylsulfonylurea herbicides and safeners'2014 8,865,945'Process for the preparation of polyols'2014 8,835,645'Process for preparing cyanimino-1,3-thiazolidines'2014 8,716,515'Process for the preparation of polyether ester polyols'2014 8,633,274'Aqueous dispersions of reactive gluing agents, method for the production and the use thereof'2014 8,512,520'Paper sizing agent'2013 8,501,904'Method for producing polyols'2013 8,361,678'Special polyether-based polyurethane formulations for the production of holographic media'2013 8,097,124'Aqueous alkylketene dimer dispersions'2012 7,893,189'Poly(ether-ester) polyols and processes for their production'2011 7,772,330'Process for the preparation of polyether polyols'2010 7,763,664'Defoaming agent and/or deaerator for aqueous media tending to foam'2010 7,687,599'Poly(ether-ester) polyols and processes for their production'2010 7,678,729'Process for the preparation of polyether polyols'2010 7,189,848'Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation'2007 7,183,325'Deforming agent and/or deaerating agent based on oil-in-water dispersions'2007 7,141,531'Combinations of phenylsulfonylurea herbicides and safeners'2006 6,884,903'Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation'2005 6,737,471'Polyurethane elastomers which exhibit improved stability to hydrolysis'2004 6,706,190'Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution'2004 6,576,086'Method for producing paper, paperboard and cardboard using an uncrosslinked fixing agent during paper stock draining'2003 6,538,150'Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation'2003 6,436,260'Process for electrocoating bulk articles'2002 6,410,483'Phenylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulators'2002 6,239,306'Phenylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulations'2001 6,221,809'Herbicidal compositions comprising N-[(4,6-dimethoxypyridin-2-yl)aminocarbonyl]-5-methylsulphonamidomethyl-2- alkoxycarbonylbenzene sulphonamides'2001 6,069,114'2-amino-4-bicycloamino-1,3,5-Triazines, their preparation, and their use as herbicide and plant growth regulators'2000 5,925,597'Phenylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulators'1999 5,925,596'Substituted aminomethylphenylsulfonylureas their preparation and their use as herbicides and plant growth regulators'1999 5,922,648'2-amino-1,3,5-triazines, and their use as herbicides and plant growth regulators'1999 5,839,646'Process for manufacturing hard-soldered aluminum heat exchangers'1998 5,648,315'Phenylsulfonylureas, Processes for their-preparation, and their use as herbicides and plant growth regulators'1997 5,299,927'Vacuum press for continuous production of plastic extruded masses'1994 5,155,164'Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulfones, urea and formaldehyde'1992 4,753,885'Foam control in the sugar industry and in the yeast industry'1988 4,704,453'Preparation of alkylglucosides'1987 4,624,803'Fatty alcohol oxyalkylates, possessing blocked terminal groups, for industrial cleaning processes, in particular bottle-washing and metal-cleaning'1986 4,450,083'Agent for dissolving insoluble iron(III) compounds in highly alkaline textile treatment liquors'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2014Patents assigned to BASF AG (12)· patent assignee history

1984–2014Based in Worms, DE· patent location history

1997–2006Patents assigned to HOECHST SCHERING AGREVO GMBH (9)· patent assignee history

1997–2014Based in Weiterstadt, DE· patent location history

1998Based in Stuttgart, DE· patent location history

2002Based in Meerbusch, DE· patent location history

2004–2021Based in Dormagen, DE· patent location history

2010–2016Patents assigned to BAYER MATERIALSCIENCE AG (15)· patent assignee history

2012–2017Patents assigned to LORENZ KLAUS (18)· patent assignee history

2017–2021Patents assigned to COVESTRO DEUTSCHLAND AG (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LORENZ KLAUSself	18	2012–2017
BAYER MATERIALSCIENCE AG	15	2010–2016
BASF AG	12	1984–2014
HOECHST SCHERING AGREVO GMBH	9	1997–2006
COVESTRO DEUTSCHLAND AG	8	2017–2021

Locations

Location	Patents	Span
Dormagen, DE	33	2004–2021
Weiterstadt, DE	14	1997–2014
Worms, DE	12	1984–2014
Meerbusch, DE	1	2002
Stuttgart, DE	1	1998