Inventor · disambiguated record
Helmut Mengler
Also filed as: MENGLER HELMUT
5 granted patents·42 citations·filing 1974–1979
78Inventor score
Files withHOECHST AG5
Top patents by PatentIndex Score
5 records- 0190US3951965ABis-triazinyl-amino)-stilbene-disulfonic acid derivativesHOECHST AG·Filed 1974·Granted Apr 20, 1976·23 cites·12 claims
- 0259US4263176AColor-stable brighteners for detergentsHOECHST AG·Filed 1979·Granted Apr 21, 1981·9 cites·4 claims
- 0345US3998812AStyryl-pyrazoline compoundsHOECHST AG·Filed 1974·Granted Dec 21, 1976·2 cites·5 claims
- 0433US3957815A3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ2 -pyrazoline derivatives and their use as optical brightenersHOECHST AG·Filed 1974·Granted May 18, 1976·4 cites·2 claims
- 0532US4045169A3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ 2-pyrazoline derivatives and their use as optical brightenersHOECHST AG·Filed 1976·Granted Aug 30, 1977·4 cites·9 claims
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