Inventor · disambiguated record
Wilfried Sahm
Also filed as: SAHM WILFRIED
12 granted patents·95 citations·filing 1974–1977
90Inventor score
Files withHOECHST AG12
Top patents by PatentIndex Score
12 records- 0188US3974172ABenzofuran derivativesHOECHST AG·Filed 1974·Granted Aug 10, 1976·17 cites·2 claims
- 0284US4002423ABenzofuran derivatives process for their preparation and their use as optical brightenersHOECHST AG·Filed 1974·Granted Jan 11, 1977·23 cites·8 claims
- 0383US4087610AProcess for the preparation of 5-acetoacetylamino-benzimidazoloneHOECHST AG·Filed 1976·Granted May 2, 1978·13 cites·12 claims
- 0478US3931215ABenzofuran derivativesHOECHST AG·Filed 1974·Granted Jan 6, 1976·11 cites·10 claims
- 0576US4153798AProcess for the manufacture of 5-acetoacetylamino-benzimidazoloneHOECHST AG·Filed 1977·Granted May 8, 1979·11 cites·8 claims
- 0664US3994879AProcess for the preparation of benzofuran compoundsHOECHST AG·Filed 1975·Granted Nov 30, 1976·5 cites·11 claims
- 0756US4122256AHeterocyclic azomethinesHOECHST AG·Filed 1977·Granted Oct 24, 1978·3 cites·5 claims
- 0855US4052433AAromatic azomethinesHOECHST AG·Filed 1976·Granted Oct 4, 1977·3 cites·5 claims
- 0951US4039555ABenzofuran derivatives, process for preparing them and their use as optical brightenersHOECHST AG·Filed 1975·Granted Aug 2, 1977·2 cites·7 claims
- 1051US4001130AOptical brightenersHOECHST AG·Filed 1974·Granted Jan 4, 1977·3 cites·8 claims
- 1147US3940340APeracylated polyamines compatible with optical brighteners as activators for inorganic peroxo compoundsHOECHST AG·Filed 1974·Granted Feb 24, 1976·4 cites·16 claims
- 1233US3972877AButadiene derivatives, process for their preparation and their use as optical brightenersHOECHST AG·Filed 1974·Granted Aug 3, 1976·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →