Inventor · disambiguated record
Werner Ostertag
Also filed as: OSTERTAG WERNER
39 granted patents·1,458 citations·filing 1973–2002
98Inventor score
Top patents by PatentIndex Score
39 records- 0198US4978394AMetal oxide coated aluminum pigmentsBASF AG·Filed 1989·Granted Dec 18, 1990·117 cites·9 claims
- 0297US4552593APreparation of effect pigments coated with metal oxidesBASF AG·Filed 1983·Granted Nov 12, 1985·93 cites·18 claims
- 0396US5798147AProcess for coating and printing substratesBASF AG·Filed 1995·Granted Aug 25, 1998·119 cites·15 claims
- 0496US5573584AInterference pigments for preparing forgeryproof documentsBASF AG·Filed 1993·Granted Nov 12, 1996·80 cites·5 claims
- 0596US5470502AFluorescent pigmentsBASF AG·Filed 1994·Granted Nov 28, 1995·77 cites·3 claims
- 0695US6589331B2Soft iron pigmentsECKART GMBH & CO KG·Filed 2002·Granted Jul 8, 2003·117 cites·9 claims
- 0795US5710197ACrosslinked polymer particles containing a fluorescent dyeBASF AG·Filed 1995·Granted Jan 20, 1998·85 cites·4 claims
- 0894US4344987APreparation of flaky mica pigments coated with metal oxides, and use of these pigmentsBASF AG·Filed 1981·Granted Aug 17, 1982·61 cites·7 claims
- 0993US4328042APreparation of metallic pigments having a metallic lusterBASF AG·Filed 1980·Granted May 4, 1982·56 cites·6 claims
- 1091US5277711AMixtures useful as luster pigmentsBASF AG·Filed 1993·Granted Jan 11, 1994·61 cites·4 claims
- 1189US5122291AThermal insulating material based on pigment containing silica aerogelsBASF AG·Filed 1990·Granted Jun 16, 1992·59 cites·8 claims
- 1289US5026429AMetal oxide coated platelet-like organic pigmentsBASF AG·Filed 1990·Granted Jun 25, 1991·31 cites·7 claims
- 1388US4455174AYellow pigment containing bismuth vanadate and having the composition BiVO4.xBi2 MoO6.yBi2 WO6BASF AG·Filed 1982·Granted Jun 19, 1984·35 cites·1 claims
- 1487US6645286B2Iron effect pigmentsECKART GMBH & CO KG·Filed 2002·Granted Nov 11, 2003·44 cites·19 claims
- 1586US5244649AProduction of hematite pigments in the form of plateletsBASF AG·Filed 1990·Granted Sep 14, 1993·47 cites·4 claims
- 1684US6287695B1Corrosion-stable aluminum pigments and process for the production thereofECKART STANDARD BRONZEPULVER·Filed 1997·Granted Sep 11, 2001·37 cites·13 claims
- 1782US4948631APreparation of particularly bluish pearl luster pigmentsBASF AG·Filed 1989·Granted Aug 14, 1990·38 cites·4 claims
- 1878US5733658ALuster pigments based on reduced titania-coated silicate-based plateletsBASF AG·Filed 1996·Granted Mar 31, 1998·34 cites·5 claims
- 1978US4851049AThermostable bismuth vanadate/molybdate pigmentsBASF AG·Filed 1987·Granted Jul 25, 1989·27 cites·13 claims
- 2075US4826537ALamellar pigments of the general formula MnX -AlY Fe2-(X+Y) O3BASF AG·Filed 1987·Granted May 2, 1989·19 cites·6 claims
- 2173US4702775APreparation of magnetite pigments: control of particle sizeBASF AG·Filed 1986·Granted Oct 27, 1987·20 cites·2 claims
- 2270US5501731ACarbon-containing luster pigmentsBASF AG·Filed 1994·Granted Mar 26, 1996·19 cites·3 claims
- 2369US5624487APreparation of bluish luster pigmentsBASF AG·Filed 1996·Granted Apr 29, 1997·34 cites·11 claims
- 2468US3959553AMagnetic discs having metal support and a non-magnetic layerBASF AG·Filed 1973·Granted May 25, 1976·20 cites·6 claims
- 2564US4925762ACarrier for reprography and production of this carrierBASF AG·Filed 1988·Granted May 15, 1990·13 cites·20 claims
- 2664US4018967AMagnetic recording tapeBASF AG·Filed 1974·Granted Apr 19, 1977·9 cites·6 claims
- 2763US4867795APlateletlike pigments based on iron oxideBASF AG·Filed 1988·Granted Sep 19, 1989·15 cites·15 claims
- 2859US6428846B2Corrosion-stable aluminum pigments and process for the production thereofECKART STANDARD BRONZEPULVER·Filed 1999·Granted Aug 6, 2002·11 cites·14 claims
- 2956US3955037AMagnetic discs having a multi-component binderBASF AG·Filed 1974·Granted May 4, 1976·7 cites·7 claims
- 3055US4840677APlateletlike two-phase pigmentBASF AG·Filed 1988·Granted Jun 20, 1989·8 cites·14 claims
- 3154US4803143AColored single-component toners and their preparationBASF AG·Filed 1986·Granted Feb 7, 1989·9 cites·5 claims
- 3253US4629513APreparation of transparent golden yellow, thermally stable two-phase pigments of the general formula xZnO.ZnFe2 O4BASF AG·Filed 1985·Granted Dec 16, 1986·8 cites·3 claims
- 3351US4237318AManufacture of aqueous methanolic solution of sodium formateBASF AG·Filed 1979·Granted Dec 2, 1980·7 cites·3 claims
- 3450US4018968ACoated magnetic recording mediaBASF AG·Filed 1974·Granted Apr 19, 1977·10 cites·5 claims
- 3548US5693135AInterference pigments containing reduced titanium oxide layers for preparing forgeryproof documents and packagingBASF AG·Filed 1995·Granted Dec 2, 1997·13 cites·4 claims
- 3647US5039587AOxide-coated carriers and preparation and use thereofBASF AG·Filed 1989·Granted Aug 13, 1991·7 cites·4 claims
- 3743US4530725APreparation of thermally stable lead chromate pigmentsBASF FARBEN & FASERN·Filed 1984·Granted Jul 23, 1985·4 cites·3 claims
- 3840US4629616ABasic chromium aluminum sulfates and their preparationBASF AG·Filed 1984·Granted Dec 16, 1986·3 cites·3 claims
- 3931US4139351ASeparation of finely divided metal oxides, produced by combustion of metal carbonyls, from a stream of gasBASF AG·Filed 1977·Granted Feb 13, 1979·4 cites·6 claims
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