Inventor
PENNEWISS HORST
DE37 patents
⚠️ This page may combine multiple inventors who share the name “PENNEWISS HORST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROEHM GMBH
35 patentsUS5597871AJan 28, 1997
Comb polymers
ROEHM GMBH61 citations96
US4070348AJan 24, 1978
Water-swellable, bead copolymer
ROEHM GMBH145 citations96
US4867894ASep 19, 1989
Pour point improving additives for mineral oils
ROEHM GMBH64 citations95
US4308120ADec 29, 1981
Polymerization method using ultraviolet light
ROEHM GMBH95 citations94
US4932980AJun 12, 1990
Polymeric fluidizer for middle distillates
ROEHM GMBH28 citations93
US5756433AMay 26, 1998
Lubricant additives
ROEHM GMBH23 citations92
US4906682AMar 6, 1990
Ethylene-vinyl ester copolymer emulsions
ROEHM GMBH41 citations92
US4822508AApr 18, 1989
Shear stable multirange oils having an improved viscosity index
ROEHM GMBH51 citations92
US5188770AFeb 23, 1993
Viscosity index improver having detergent properties
ROEHM GMBH55 citations91
US4968444ANov 6, 1990
Lubricating oil additives
ROEHM GMBH37 citations91
US3948866AApr 6, 1976
Polymerization with the aid of macromolecule having both a monomer soluble portion and suspension soluble portion
ROEHM GMBH48 citations91
US6080794AJun 27, 2000
Demulsifiers
ROEHM GMBH28 citations90
US4290925ASep 22, 1981
Lubricating oil additives
ROEHM GMBH36 citations90
US3979349ASep 7, 1976
Dispersions of water-soluble polymers and methods for making and using the same
ROEHM GMBH44 citations90
US5691284ANov 25, 1997
Synthetic oligomeric oils
ROEHM GMBH45 citations89
US5712359AJan 27, 1998
Co-oligomers and copolymers having dispersant activity
ROEHM GMBH22 citations88
US4282132AAug 4, 1981
Lubricating oil additives
ROEHM GMBH39 citations88
US4511694AApr 16, 1985
Hydrophilic polymer carrier for proteins
ROEHM GMBH25 citations81
US4105519AAug 8, 1978
Polymerization method using ultraviolet light
ROEHM GMBH20 citations81
US4338418AJul 6, 1982
Process for graft copolymerization
ROEHM GMBH20 citations80
US4281081AJul 28, 1981
Process for graft copolymerization
ROEHM GMBH27 citations80
US5266615ANov 30, 1993
Alkyl (meth)acrylate-maleic anhydride copolymer-modified bitumen
ROEHM GMBH17 citations74
US5098550AMar 24, 1992
Method for dewaxing waxy petroleum products
ROEHM GMBH7 citations74
US5085701AFeb 4, 1992
Polymer-modified bitumen (pmb)
ROEHM GMBH16 citations73
US4563497AJan 7, 1986
Method for making water soluble solid polymers
ROEHM GMBH9 citations73
US4753708AJun 28, 1988
Method for heat sealing
ROEHM GMBH17 citations72
US4640954AFeb 3, 1987
Polymer suspension containing a water-soluble polymer suspended in an oil phase
ROEHM GMBH10 citations72
US4622358ANov 11, 1986
Concentrated emulsions of olefin copolymers
ROEHM GMBH16 citations72
US5942642AAug 24, 1999
Method for making oligomers
ROEHM GMBH16 citations71
US5773505AJun 30, 1998
Polymer emulsions with bimodal molecular-weight distribution
ROEHM GMBH12 citations71
US4677151AJun 30, 1987
Concentrated emulsions of olefin copolymers
ROEHM GMBH18 citations71
US6475964B1Nov 5, 2002
Motor oil with high dispersivity and good wear protection characteristics
ROEHM GMBH8 citations70
US4665121AMay 12, 1987
Concentrated emulsions of olefin copolymers
ROEHM GMBH4 citations61
US4233200ANov 11, 1980
Method of sizing textile yarns and sizing agents therefor
ROEHM GMBH1 citations46
US4059574ANov 22, 1977
Symmetric azo-bis-mercapto compounds
ROEHM GMBH1 citations46