Inventor · disambiguated record
Lothar Rothbuhr
Also filed as: DITTRICH GUNTHER · FRITZ WALTER · ROTHBUEHR LOTHAR · ROTHBUEHR LOTHAR DR
22 granted patents·512 citations·filing 1974–1983
96Inventor score
Files withDEGUSSA22
Top patents by PatentIndex Score
22 records- 0194US4128438AGranulate form organosilane preparationDEGUSSA·Filed 1978·Granted Dec 5, 1978·54 cites·11 claims
- 0293US4297145ASilane/filler preparations, process for their production and their useDEGUSSA·Filed 1980·Granted Oct 27, 1981·74 cites·23 claims
- 0392US4366139AProcess for the production of water containing carbon black preparationsDEGUSSA·Filed 1980·Granted Dec 28, 1982·61 cites·5 claims
- 0489US4439401AProcess and apparatus for the production of carbon blackDEGUSSA·Filed 1982·Granted Mar 27, 1984·44 cites·4 claims
- 0588US4292291AProcess for the production of furnace blackDEGUSSA·Filed 1979·Granted Sep 29, 1981·33 cites·11 claims
- 0687US4164423ABlack pigmented UV hardening printing inkDEGUSSA·Filed 1978·Granted Aug 14, 1979·45 cites·11 claims
- 0785US4221772ACarbon black for lacquers and pigmentsDEGUSSA·Filed 1978·Granted Sep 9, 1980·30 cites·4 claims
- 0878US4442163AResorcinol-filler preparation, process for the production and use of the sameDEGUSSA·Filed 1983·Granted Apr 10, 1984·25 cites·19 claims
- 0977US4435377AOxidative after-treatment of carbon blackDEGUSSA·Filed 1982·Granted Mar 6, 1984·21 cites·9 claims
- 1074US4228131AApparatus for the production of carbon blackDEGUSSA·Filed 1977·Granted Oct 14, 1980·14 cites·5 claims
- 1173US3978019AProcess for production of deep colored small particle size gas black with low content of extractable matterDEGUSSA·Filed 1975·Granted Aug 31, 1976·20 cites·10 claims
- 1271US4636375AProcess for producing furnace blacks of variable carbon black structureDEGUSSA·Filed 1982·Granted Jan 13, 1987·17 cites·4 claims
- 1371US4238199AProcess for the control of the ratio DBP number/DBP number after pressing in the manufacture of carbon black pelletsDEGUSSA·Filed 1979·Granted Dec 9, 1980·15 cites·3 claims
- 1463US4179494AProcess for the production of carbon blackDEGUSSA·Filed 1976·Granted Dec 18, 1979·9 cites·1 claims
- 1563US4154808AProcess for the production of high qualtiy carbon blackDEGUSSA·Filed 1976·Granted May 15, 1979·8 cites·49 claims
- 1658US3956106AApparatus and process for the production of grit free finely dispersed pigmentsDEGUSSA·Filed 1974·Granted May 11, 1976·16 cites·11 claims
- 1755US4197221ACarbon black concentrateDEGUSSA·Filed 1977·Granted Apr 8, 1980·17 cites·10 claims
- 1842US4430280AProcess for the production of mixed granulate from carbon black and light fillerDEGUSSA·Filed 1980·Granted Feb 7, 1984·4 cites·5 claims
- 1936US4381949AResorcinol-filler preparation, process for the production and use of the sameDEGUSSA·Filed 1981·Granted May 3, 1983·3 cites·17 claims
- 2032US4195068AProcess for the production of furnace blackDEGUSSA·Filed 1978·Granted Mar 25, 1980·2 cites·13 claims
- 2130US4225416AProcess for the production of high quality carbon black forming materialDEGUSSA·Filed 1978·Granted Sep 30, 1980·0 cites·44 claims
- 2229US4282198AProcess for the production of high quality carbon blackDEGUSSA·Filed 1980·Granted Aug 4, 1981·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →