Assignee
HUELS CHEMISCHE WERKE AG
DE1,117 patents
Top patents by PatentIndex Score
US6090459AJul 18, 2000
Multilayer plastic composition having an electrically conductive inner layer
HUELS CHEMISCHE WERKE AG125 citations99
US6239194B1May 29, 2001
Surface-modified fillers, process for their preparation and their use
HUELS CHEMISCHE WERKE AG91 citations98
US6054601AApr 25, 2000
Fluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their use
HUELS CHEMISCHE WERKE AG102 citations98
US5965502AOct 12, 1999
Aqueous viscoelastic surfactant solutions for hair and skin cleaning
HUELS CHEMISCHE WERKE AG101 citations98
US5885341AMar 23, 1999
Organopolysiloxane-containing, water-based compositions containing glycidal ether, acrylic and/or methacrylic functional groups, process for their preparation, and their use
HUELS CHEMISCHE WERKE AG108 citations98
US5808125ASep 15, 1998
Fluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their use
HUELS CHEMISCHE WERKE AG101 citations98
US5554426ASep 10, 1996
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG107 citations98
US6245281B1Jun 12, 2001
Use of a nylon-12 for selective laser sintering
HUELS CHEMISCHE WERKE AG158 citations97
US5932757AAug 3, 1999
Mixture of oligomers of condensed alkylalkoxysilanes
HUELS CHEMISCHE WERKE AG104 citations97
US5871823AFeb 16, 1999
Hydrophilic coating of surfaces of polymeric substrates
HUELS CHEMISCHE WERKE AG172 citations97
US5117027AMay 26, 1992
Process for the preparation of organosilanes containing methacryloyloxy or acryloyloxy groups
HUELS CHEMISCHE WERKE AG240 citations97
US5087739AFeb 11, 1992
Circulation process for the production of aliphatic and cycloaliphatic diisocyanates
HUELS CHEMISCHE WERKE AG165 citations97
US5009814AApr 23, 1991
Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systems
HUELS CHEMISCHE WERKE AG215 citations97
US6255513B1Jul 3, 2001
Stable compositions of water-soluble amino-and alkenyl-functional organosiloxanes, process for their preparation and their use
HUELS CHEMISCHE WERKE AG68 citations96
US6228936B1May 8, 2001
Fluoroalkyl-functional organopolysiloxane-containing compositions
HUELS CHEMISCHE WERKE AG59 citations96
US6177582B1Jan 23, 2001
Fluoroalkyl-functional organosiloxane-containing compositions based on alcohol, a process for their preparation and their use
HUELS CHEMISCHE WERKE AG74 citations96
US5902896AMay 11, 1999
Process for preparing bis (hydroxymethyl) compounds
HUELS CHEMISCHE WERKE AG55 citations96
US5886219AMar 23, 1999
Process for preparing malonic acid and alkylmalonic acids
HUELS CHEMISCHE WERKE AG59 citations96
US5863509AJan 26, 1999
Fluoroalkyl-functional organopolysiloxane-containing compositions
HUELS CHEMISCHE WERKE AG71 citations96
US5858492AJan 12, 1999
Thermoplastic multilayer composites
HUELS CHEMISCHE WERKE AG57 citations96
US5849942ADec 15, 1998
Fluoroalkyl-functional organopolysiloxane-containing compositions
HUELS CHEMISCHE WERKE AG77 citations96
US5798048AAug 25, 1998
Multilayer plastic fuel filter having antistatic properties
HUELS CHEMISCHE WERKE AG89 citations96
US5633358AMay 27, 1997
Process for bleaching aqueous surfactant solutions
HUELS CHEMISCHE WERKE AG124 citations96
US5605651AFeb 25, 1997
Emulsifiers for the preparation of oil-in-water emulsions of essential oils usable in cosmetics or medicine
HUELS CHEMISCHE WERKE AG88 citations96
US5512342AApr 30, 1996
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG62 citations96
US5500263AMar 19, 1996
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG89 citations96
US5474822ADec 12, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG58 citations96
US5449024ASep 12, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG53 citations96
US5425817AJun 20, 1995
Multilayer plastic pipe with polyamide inner and outer layers and a linear crystalline polyester intermediate layer
HUELS CHEMISCHE WERKE AG103 citations96
US5404915AApr 11, 1995
Multilayer plastic pipe
HUELS CHEMISCHE WERKE AG59 citations96
US5334747AAug 2, 1994
Method of preparing substituted malonic ester anilides and malonic acid mono-anilides
HUELS CHEMISCHE WERKE AG71 citations96
US5313987AMay 24, 1994
Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups
HUELS CHEMISCHE WERKE AG75 citations96
US5282998AFeb 1, 1994
Mixtures of linear and cyclic siloxanes or siloxane oligomers and a process for their preparation
HUELS CHEMISCHE WERKE AG71 citations96
US4840993AJun 20, 1989
Impact-resistant polyamide molding compounds
HUELS CHEMISCHE WERKE AG60 citations96
US4755552AJul 5, 1988
Impact-resistant polyamide molding compounds
HUELS CHEMISCHE WERKE AG51 citations96
US4495229AJan 22, 1985
One-component, heat-curing polyurethane-coatings, stable in storage
HUELS CHEMISCHE WERKE AG59 citations96
US4483798ANov 20, 1984
Polyaddition products containing uretidione groups and process for their preparation
HUELS CHEMISCHE WERKE AG53 citations96
US4476054AOct 9, 1984
Uretidione dimer of isophorone diisocyanate and method of preparation
HUELS CHEMISCHE WERKE AG99 citations96
US4463154AJul 31, 1984
Polyurethane powder enamels free of cleavage products as well as enamel coatings produced from such powders
HUELS CHEMISCHE WERKE AG59 citations96
US4454317AJun 12, 1984
Process for the trimerization of diisocyanates
HUELS CHEMISCHE WERKE AG81 citations96
US4413079ANov 1, 1983
Powder enamels free of blocking agents
HUELS CHEMISCHE WERKE AG59 citations96
US4215165AJul 29, 1980
Method for coating of glass surfaces
HUELS CHEMISCHE WERKE AG57 citations96
US3974092AAug 10, 1976
Catalyst for the preparation of polyalkenamers
HUELS CHEMISCHE WERKE AG52 citations96
US6203856B1Mar 20, 2001
Process for the preparation of antimicrobial plastics
HUELS CHEMISCHE WERKE AG47 citations95
US6096800AAug 1, 2000
Process for the preparation of antimicrobial plastics
HUELS CHEMISCHE WERKE AG40 citations95
US6060550AMay 9, 2000
Polyethylene wax as processing aid for hot-melt adhesive compositions
HUELS CHEMISCHE WERKE AG51 citations95
US6022553AFeb 8, 2000
Method of making a blood-compatible antimicrobial surface
HUELS CHEMISCHE WERKE AG58 citations95
US5967714AOct 19, 1999
Process for the preparation of antimicrobial plastics
HUELS CHEMISCHE WERKE AG75 citations95
US5932687AAug 3, 1999
Preparation of precipitated polyamide powders of narrow particle size distribution and low porosity
HUELS CHEMISCHE WERKE AG82 citations95
US5679147AOct 21, 1997
Water-based organic polysiloxane-containing compositions, processes for their preparation and their use
HUELS CHEMISCHE WERKE AG89 citations95
Showing the top 50 of 1,117 patents by PatentIndex Score.