Inventor · disambiguated record
Eberhard Koester
Also filed as: DEIGNER PAUL · KOESTER EBERHARD · KOESTER EBERHARD DIPL PHYS DR · SCHOETTLE KLAUS
39 granted patents·492 citations·filing 1974–1989
98Inventor score
Files withBASF AG39
Top patents by PatentIndex Score
39 records- 0192US4201149AApparatus for spin coating in the production of thin magnetic layers for magnetic discsBASF AG·Filed 1978·Granted May 6, 1980·41 cites·4 claims
- 0287US4939012ANaphtholactam dyes and optical recording medium containing these dyesBASF AG·Filed 1989·Granted Jul 3, 1990·35 cites·3 claims
- 0386US4287225AProcess of making a magnetic recording mediumBASF AG·Filed 1980·Granted Sep 1, 1981·30 cites·6 claims
- 0485US4165232AManufacture of ferromagnetic metal particles essentially consisting of ironBASF AG·Filed 1978·Granted Aug 21, 1979·29 cites·2 claims
- 0583US4017303AManufacture of acicular ferromagnetic metal pigments containing ironBASF AG·Filed 1975·Granted Apr 12, 1977·25 cites·9 claims
- 0675US4050962AManufacture of ferromagnetic, acicular metallic iron particles by hydrogen reductionBASF AG·Filed 1975·Granted Sep 27, 1977·21 cites·8 claims
- 0774US4213222ACleaning apparatus for a web of plastics film having a magnetic coatingBASF AG·Filed 1978·Granted Jul 22, 1980·13 cites·3 claims
- 0873US4178171AManufacture of acicular ferromagnetic iron particlesBASF AG·Filed 1978·Granted Dec 11, 1979·15 cites·5 claims
- 0972US4064292AManufacture of cobalt-modified γ-iron(III)oxidesBASF AG·Filed 1976·Granted Dec 20, 1977·15 cites·5 claims
- 1071US4453683AMagnetic tape cassette arrangementsBASF AG·Filed 1980·Granted Jun 12, 1984·18 cites·19 claims
- 1168US4188302AManufacture of acicular cobalt-modified magnetic iron oxideBASF AG·Filed 1978·Granted Feb 12, 1980·13 cites·2 claims
- 1266US4213959AManufacture of acicular, ferrimagnetic iron oxideBASF AG·Filed 1978·Granted Jul 22, 1980·11 cites·2 claims
- 1365US4071610AManufacture of gamma-iron(III) oxideBASF AG·Filed 1976·Granted Jan 31, 1978·11 cites·2 claims
- 1465US3961990AManufacture of magnetic materials which exhibit exchange anisotropyBASF AG·Filed 1974·Granted Jun 8, 1976·16 cites·5 claims
- 1565US3959032AMagnetic materials with exchange anisotropy and process for their manufactureBASF AG·Filed 1974·Granted May 25, 1976·14 cites·3 claims
- 1664US4003336ADevice for the magnetic orientation of magnetic recording mediaBASF AG·Filed 1975·Granted Jan 18, 1977·11 cites·2 claims
- 1763US4472455AProduction of magnetic recording mediaBASF AG·Filed 1983·Granted Sep 18, 1984·11 cites·8 claims
- 1862US4287233AManufacture of acicular cobalt-containing magnetic iron oxideBASF AG·Filed 1980·Granted Sep 1, 1981·11 cites·4 claims
- 1961US4567108AMagnetic recording mediaBASF AG·Filed 1984·Granted Jan 28, 1986·11 cites·1 claims
- 2061US4177317AStabilization of chromium dioxide magnetic pigmentsBASF AG·Filed 1977·Granted Dec 4, 1979·10 cites·8 claims
- 2160US4497723APreparation of acicular, ferrimagnetic iron oxidesBASF AG·Filed 1983·Granted Feb 5, 1985·10 cites·2 claims
- 2258US4420330AStabilization of pyrophoric ferromagnetic acicular metal particles consisting essentially of ironBASF AG·Filed 1982·Granted Dec 13, 1983·13 cites·4 claims
- 2356US4876356ANaphtholactam dyes and optical recording medium containing these daysBASF AG·Filed 1987·Granted Oct 24, 1989·9 cites·3 claims
- 2456US4221776AManufacture of acicular ferrimagnetic iron oxidesBASF AG·Filed 1979·Granted Sep 9, 1980·7 cites·2 claims
- 2554US4011593AMagnetic tape cassette with screening shieldBASF AG·Filed 1975·Granted Mar 8, 1977·8 cites·8 claims
- 2653US3984763ADevice for the non-destructive measurement of the remanent flux density of magnetic recording media, especially magnetic discsBASF AG·Filed 1975·Granted Oct 5, 1976·10 cites·10 claims
- 2752US4133911AManufacture of magnetic discsBASF AG·Filed 1975·Granted Jan 9, 1979·7 cites·8 claims
- 2852US4061726AManufacture of acicular γ-iron(III) oxideBASF AG·Filed 1976·Granted Dec 6, 1977·6 cites·6 claims
- 2948US4656548ATape cassette containing echo-erasing meansBASF AG·Filed 1983·Granted Apr 7, 1987·7 cites·15 claims
- 3047US4396886ADocument authentication by means of exchange-anisotropic magnetic materialBASF AG·Filed 1980·Granted Aug 2, 1983·13 cites·2 claims
- 3147US4073977AStabilization of pyrophoric metal powders with alkylene oxide polymersBASF AG·Filed 1976·Granted Feb 14, 1978·8 cites·9 claims
- 3245US4423454AMagnetic recording diskBASF AG·Filed 1980·Granted Dec 27, 1983·5 cites·3 claims
- 3345US4382244ADevice for magnetically orienting the magnetizable particles or magnetic recording media in a preferred directionBASF AG·Filed 1981·Granted May 3, 1983·5 cites·1 claims
- 3443US4414287AMagnetic recording medium and its manufactureBASF AG·Filed 1982·Granted Nov 8, 1983·7 cites·2 claims
- 3542US4018882AManufacture of gamma-iron (III) oxideBASF AG·Filed 1975·Granted Apr 19, 1977·3 cites·5 claims
- 3639US4201486AProcess for the manufacture of magnetic recording mediaBASF AG·Filed 1978·Granted May 6, 1980·3 cites·8 claims
- 3734US4438462ADocument identification employing exchange-anisotropic magnetic materialBASF AG·Filed 1980·Granted Mar 20, 1984·5 cites·4 claims
- 3831US4668586AMagnetic recording mediaBASF AG·Filed 1985·Granted May 26, 1987·3 cites·2 claims
- 3930US4430362AProduction of magnetic recording mediaBASF AG·Filed 1982·Granted Feb 7, 1984·2 cites·3 claims
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