Inventor · disambiguated record
Andrea Heyland
Also filed as: HEYLAND ANDREA
10 granted patents·8 pending applications·532 citations·filing 1994–2023
93Inventor score
Top patents by PatentIndex Score
18 records- 0195US6689205B1Multilayer interference pigmentsMERCK PATENT GMBH·Filed 2000·Granted Feb 10, 2004·114 cites·16 claims
- 0294US5858078APlatelet-shaped titanium dioxide pigmentMERCK PATENT GMBH·Filed 1998·Granted Jan 12, 1999·171 cites·16 claims
- 0393US7169222B2Multilayer interference pigmentsMERCK PATENT GMBH·Filed 2005·Granted Jan 30, 2007·15 cites·12 claims
- 0483US6284032B2Multilayer interference pigmentsMERCK PATENT GMBH·Filed 2001·Granted Sep 4, 2001·31 cites·16 claims
- 0581US6500251B1Multi-coated interference pigmentsMERCK PATENT GMBH·Filed 1997·Granted Dec 31, 2002·45 cites·12 claims
- 0679US5972098ATitanate-containing pearlescent pigmentsMERCK PATENT GMBH·Filed 1997·Granted Oct 26, 1999·40 cites·9 claims
- 0776US6840993B2Silver-colored luster pigmentMERCK PATENT GMBH·Filed 2003·Granted Jan 11, 2005·19 cites·23 claims
- 0874US5698205APhotostabilization of titanium dioxide solsMERCK PATENT GMBH·Filed 1994·Granted Dec 16, 1997·44 cites·18 claims
- 0974US2010129411A1Five-layered pigmentsSCHMIDT CHRISTOPH·Filed 2009·Application pending·0 cites
- 1071US2024199886A1Effect pigmentsMERCK PATENT GMBH·Filed 2023·Application pending·0 cites
- 1170US6238472B1Metal oxide coated titanium dioxide lamellasMERCK PATENT GMBH·Filed 1997·Granted May 29, 2001·33 cites·16 claims
- 1269US2017145217A1Five-layered pigmentsMERCK PATENT GMBH·Filed 2017·Application pending·0 cites
- 1366US5985020APlate-like titanium dioxide reduction pigmentMERCK PATENT GMBH·Filed 1997·Granted Nov 16, 1999·20 cites·11 claims
- 1462US2013149363A1Five-layered pigmentsMERCK PATENT GMBH·Filed 2013·Application pending·0 cites
- 1561US2025075080A1Process for the production of flake-form, crystalline particles having an aurivillius structure and the use thereof as effect pigments or substrates thereofMERCK PATENT GMBH·Filed 2022·Application pending·0 cites
- 1645US2004052743A1Five-layered pigmentsMERCK PATENT GMBH·Filed 2003·Application pending·0 cites
- 1745US2004144023A1Multilayer interference pigmentsBRUCKNER HANS-DIETER·Filed 2004·Application pending·0 cites
- 1839US2002104461A1Silver-colored luster pigmentMERCK PATENT GMBH·Filed 2001·Application pending·0 cites
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