Inventor · disambiguated record
Claus R. Engel
Also filed as: ENGEL CLAUS R · ENGEL CLAUS RICHARD
2 granted patents·26 citations·filing 1975–1984
60Inventor score
Files withDEGUSSA2
Top patents by PatentIndex Score
2 records- 0173US3978019AProcess 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
- 0233US4615852AMethod for producing nitrocellulose-based carbon black concentrates in the form of chipsDEGUSSA·Filed 1984·Granted Oct 7, 1986·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →