Inventor · disambiguated record
Steffen Hofacker
Also filed as: HOFACKER STEFFEN
16 granted patents·30 pending applications·82 citations·filing 1999–2012
91Inventor score
Top patents by PatentIndex Score
46 records- 0183US7550527B2Aqueous copolymer dispersions with reactive diluentBAYER MATERIALSCIENCE AG·Filed 2006·Granted Jun 23, 2009·8 cites·11 claims
- 0278US6395826B1Boron-and/ or aluminum-containing mixtures, hybrid materials, and coatingsBAYER AG·Filed 1999·Granted May 28, 2002·27 cites·11 claims
- 0376US7473756B2Low-viscosity oligocarbonate polyolsBAYER MATERIALSCIENCE AG·Filed 2006·Granted Jan 6, 2009·3 cites·10 claims
- 0475US7060778B2Ytterbium(III) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyolsBAYER MATERIALSCIENCE AG·Filed 2004·Granted Jun 13, 2006·11 cites·9 claims
- 0570US10045930B2Decorative cosmetic compositionsVIALA SOPHIE·Filed 2009·Granted Aug 14, 2018·1 cites·18 claims
- 0670US7420077B2Preparation of aliphatic oligocarbonate diolsBAYER MATERIALSCIENCE AG·Filed 2007·Granted Sep 2, 2008·1 cites·3 claims
- 0767US2007249745A1Chewable foams for cosmetic productsHOFACKER STEFFEN·Filed 2007·Application pending·0 cites
- 0865US2011318279A1Polymeric masticatory masses for cosmetic productsNIESTEN MEIKE·Filed 2007·Application pending·0 cites
- 0964US2009148501A1Process for the preparation of aromatized chewing foams for cosmetic productsBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 1063US6825376B2NCO prepolymers prepared from isophorone diisocyanate and having a low monomer contentBAYER AG·Filed 2002·Granted Nov 30, 2004·6 cites·13 claims
- 1163US6699316B2Process for the preparation of nano-zinc oxide dispersions stabilized by hydroxyl group-containing inorganic polymersBAYER ATIENGESELLSCHAFT·Filed 2003·Granted Mar 2, 2004·11 cites·4 claims
- 1260US2013004556A1Chewable foams for cosmetic productsBAYER MATERIALSCIENCE AG·Filed 2012·Application pending·0 cites
- 1360US2011014139A1Sun protection compositionsBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 1459US6756464B2Two-component polyurethane binders as primersBAYER AG·Filed 2002·Granted Jun 29, 2004·4 cites·13 claims
- 1558US2011117042A1Polyurethane dispersions for hair dyeBAYER MATERIALSCIENCE·Filed 2009·Application pending·0 cites
- 1658US2012263658A1Flavored chewable foams and a process for their productionHOFACKER STEFFEN·Filed 2012·Application pending·0 cites
- 1757US2007243149A1Nitrocellulose-based binders for aqueous nail varnishesHOFACKER STEFFEN·Filed 2007·Application pending·0 cites
- 1857US2011091839A1Profile body for dental cleaningBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 1956US2008102157A1Flavored chewable foams and a process for their productionHOFACKER STEFFEN·Filed 2006·Application pending·0 cites
- 2056US2011038808A1Flavored chewable foams and a process for their productionBAYER MATERIALSCIENCE AG·Filed 2010·Application pending·0 cites
- 2154US6894182B2Aliphatic oligocarbonate polyols prepared in the presence of a catalyst and a process for preparing the sameBAYER AG·Filed 2002·Granted May 17, 2005·3 cites·4 claims
- 2253US2011015279A1Skin care compositionDOERR SEBASTIAN·Filed 2009·Application pending·0 cites
- 2353US2008281025A1Hybrid polyisocyanatesBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 2452US6884501B2Plastics stabilized with zinc oxide-containing, abrasion-resistant multilayersBAYER AG·Filed 2001·Granted Apr 26, 2005·1 cites·6 claims
- 2552US2009008613A1Hybrid polyisocyanatesBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 2651US7238825B2Preparation of aliphatic oligocarbonate diolsBAYER MATERIALSCIENCE AG·Filed 2004·Granted Jul 3, 2007·1 cites·3 claims
- 2751US2011027211A1Hair styling compositionBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 2850US2009018224A1Process for the drying of foams composed of aqueous pu dispersionsBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 2949US2012244201A1Process for the preparation of aromatized chewing foams for cosmetic productsHOFACKER STEFFEN·Filed 2012·Application pending·0 cites
- 3049US2006281857A1Oligocarbonate-containing coating compositions for scratch-resistant topcoatsBAYER MATERIALSCIENCE AG·Filed 2006·Application pending·0 cites
- 3149US2007166552A1Polyurethane-polyurea coatingsHOFACKER STEFFEN·Filed 2007·Application pending·0 cites
- 3249US2007219296A1Aqueous dispersions based on nitro-cellulose-polyurethane particlesTRINKS RAINER·Filed 2007·Application pending·0 cites
- 3348US2011044933A1Particles, obtained by drying an aqueous nanourea dispersionBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 3448US2007167565A1Polyurethane-polyurea dispersions based on polyether-polycarbonate-polyolsRISCHE THORSTEN·Filed 2007·Application pending·0 cites
- 3548US2006293468A1Polymer blend based on polycarbonate polyolsBAYER MATERIALSCIENCE AG·Filed 2006·Application pending·0 cites
- 3647US2007219337A1Preparation of storage-stable, isocyanate-functional prepolymers using NCO-functional carbonyl and carbamoyl halidesKOHLER BURKHARD·Filed 2007·Application pending·0 cites
- 3746US2006079632A1Hybrid topcoatsBAYER MATERIALSCIENCE LLC·Filed 2005·Application pending·0 cites
- 3845US2006052572A1Metal acetylacetonates as transesterification catalystsHOFACKER STEFFEN·Filed 2005·Application pending·0 cites
- 3945US2006004176A1Oligocarbonate polyols having terminal secondary hydroxyl groupsBAYER MATERIALSCIENCE AG·Filed 2005·Application pending·0 cites
- 4044US6613441B2Boron- and/or aluminum-containing mixtures, hybrid materials, and coatingsBAYER AG·Filed 2001·Granted Sep 2, 2003·0 cites·11 claims
- 4141US7317121B2Preparation of aliphatic oligocarbonate polyolsBAYER MATERIALSCIENCE AG·Filed 2004·Granted Jan 8, 2008·0 cites·5 claims
- 4240US2002160199A1Protective covering with a two-layer coating buil-upFiled 2002·Application pending·0 cites
- 4339US8986661B2Sun protection compositionsVIALA SOPHIE·Filed 2011·Granted Mar 24, 2015·0 cites·19 claims
- 4439US2006020121A1Preparation of ytterbium(III) beta-diketonatesGERLACH ARNE·Filed 2005·Application pending·0 cites
- 4539US2010215608A1Hair setting compositionBAYER MATERIALSCIENCE AG·Filed 2010·Application pending·0 cites
- 4636US6617039B1Nitrogen-free compounds as adhesion promoters for silicon-based scratch-resistant coatings on polycarbonateBAYER AG·Filed 1999·Granted Sep 9, 2003·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →