Inventor · disambiguated record
Hedwig Prell
Also filed as: PRELL HEDWIG
4 granted patents·33 citations·filing 1973–1994
75Inventor score
Files withHOECHST AG4
Top patents by PatentIndex Score
4 records- 0146US3974260ADesensitized free-flowing red phosphorusHOECHST AG·Filed 1973·Granted Aug 10, 1976·6 cites·3 claims
- 0244US5427756AProcess for the preparation of a dicalcium phosphate dihydrate suitable for use in toothpastesHOECHST AG·Filed 1994·Granted Jun 27, 1995·12 cites·5 claims
- 0342US4931272ATooth pastes, cleaning agent for tooth pastes based on dicalcium phosphate-dihydrate, and process for making such cleaning agentHOECHST AG·Filed 1988·Granted Jun 5, 1990·10 cites·7 claims
- 0434US5427755AProcess for the preparation of a dicalcium phosphate dihydrate suitable for use in toothpastesHOECHST AG·Filed 1994·Granted Jun 27, 1995·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →