Inventor

Kurt Dahmen

Inventor

Monchengladbach, DE

Overview

42→

Patents

1978–2006

Patent span

Chemistry

Primary field (CPC C)

Patents· 42 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds19%

A61LMethods or apparatus for sterilising materials or objects in general12%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing6%

D21HPulp compositions6%

Y10TTechnical subjects covered by former us classification6%

C02FTreatment of water, waste water, sewage, or sludge5%

C07CAcyclic or carbocyclic compounds5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

A61FFilters implantable into blood vessels4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

PatentTitleYear

7,030,199'Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof'2006 6,660,819'Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof'2003 6,552,141'Method for producing synthetic polymerizates with very low residual monomer content'2003 6,403,700'Absorbing agents for water and aqueous liquids and process for their production and use'2002 6,103,358'Layered body for the absorption of liquids and its production'2000 6,087,450'Water-swelling polymers cross-linked with unsaturated amino alcohols, the production and use of same'2000 6,060,557'Absorbing agents for water and aqueous liquids and process for their production and use'2000 6,051,317'Sheet-like superabsorbent structures'2000 6,048,467'Leather-treatment agents, process for their preparation, and their use for producing low-fogging leathers'2000 6,033,769'Body of layered structure for absorbing liquids, the production and use thereof'2000 5,954,921'Paper-sizing agents containing aqueous, solvent-free dispersions of cationic polymers and method of preparing sized paper by using these agents'1999 5,873,908'Alkoxy group containing copolymers and their use in retanning leather'1999 5,763,067'Layered body for the absorption of liquids and its production'1998 5,712,316'Powder-form cross-linked polymers capable of absorbing aqueous liquids and body fluids, method of preparing them and their use'1998 5,686,555'Absorbents for acids and lyes'1997 5,575,939'Process for softening/stuffing leather and fur skins'1996 5,567,478'Process for producing a water-absorbing sheet material and the use thereof'1996 5,548,049'Copolymers of allyliminodiacetic acid with unsaturated carboxylic acids and their use as complexing agents, peroxide stabilizers, builders in washing and cleaning products and dispersing agents'1996 5,455,284'Process for the production of water-swellable products using superfines of water-swellable polymers'1995 5,433,753'Use of copolymers having polysiloxane units in the treatment of leather and furs'1995 5,409,771'Aqueous-liquid and blood-absorbing powdery reticulated polymers, process for producing the same and their use as absorbents in sanitary articles'1995 5,408,019'Cross-linked, water-absorbing polymer and its use in the production of hygiene items'1995 5,304,664'Process for the production of highly sulfated fatty acids and fatty acid derivatives'1994 RE033839'Absorbents for blood and serous body fluids'1992 4,774,131'Process for the production of polyurethane-coated textile surfaces, polyurethane-coated textile surfaces and their use in the production of breathable and waterproof clothing'1988 4,693,713'Absorbents for blood and serous body fluids'1987 4,663,491'Copolymers of n-alkyl acrylates and maleic anhydride and their use as crystallization inhibitors for paraffin-bearing crude oils'1987 4,644,083'Process for the production of N-substituted .alpha.,.beta.-unsaturated carboxylic acid amides'1987 4,631,063'Process for finish dressing minerally dressed leathers or those dressed by a combined method, using polymer dressings'1986 4,582,933'Process for the production of N-(tert-aminoalkyl)acrylamides'1986 4,528,350'Polymers of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides'1985 4,408,073'Process for preparation of .alpha., .beta.-unsaturated N-substituted-carboxylic acid amides'1983 4,318,705'Process for improving the lightfastness of conventionally dyed leather'1982 4,312,998'Method for making N-substituted acrylamides'1982 4,297,468'Allyl amido phosphorous copolymers'1981 4,286,004'Antistatic polyurethane foams and carpet backings made therefrom'1981 4,281,186'Acrylyl and methacrylyl ureas containing quaternary groups, process for their preparation and their use in the preparation of polymers'1981 4,237,067'Process for the manufacture of .alpha.,.beta.-unsaturated N-substituted carboxylic acid amides'1980 4,208,184'Dried pulverulent products'1980 4,179,370'Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals'1979 4,113,685'Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals'1978 4,093,542'Flocculating agent comprising water-in-oil emulsion of H-active polymer carrying formaldehyde and amine radicals'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1985Patents assigned to STOCKHAUSEN & CIE CHEM FAB (11)· patent assignee history

1978–2000Based in Monchengladbach, DE· patent location history

1978–1996Based in Rheydt, DT· patent location history

1981–2006Patents assigned to STOCKHAUSEN CHEM FAB GMBH (30)· patent assignee history

1987Patents assigned to CHMELIR MIROSLAV (1)· patent assignee history

1987Patents assigned to DAHMEN KURT (1)· patent assignee history

1987Patents assigned to HOFFMAN GEORG (1)· patent assignee history

1992–1999Based in Mochengladbach, DE· patent location history

2000–2006Based in Moenchengladbach, DE· patent location history

2002Based in Mnchengladbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
STOCKHAUSEN CHEM FAB GMBH	30	1981–2006
STOCKHAUSEN & CIE CHEM FAB	11	1978–1985
CHMELIR MIROSLAV	1	1987
DAHMEN KURTself	1	1987
HOFFMAN GEORG	1	1987

Locations

Location	Patents	Span
Monchengladbach, DE	28	1978–2000
Moenchengladbach, DE	5	2000–2006
Rheydt, DT	3	1978–1996
Mochengladbach, DE	2	1992–1999
Mnchengladbach, DE	1	2002