Inventor · disambiguated record
Klaus Perrey
Also filed as: PERREY KLAUS
3 granted patents·13 citations·filing 1976–1978
64Inventor score
Files withHOECHST AG3
Top patents by PatentIndex Score
3 records- 0164US4221793AN,N'-Disubstituted piperazine derivativeHOECHST AG·Filed 1978·Granted Sep 9, 1980·9 cites·2 claims
- 0253US4160828AAnalgesic phosphinyl compounds and compositionsHOECHST AG·Filed 1978·Granted Jul 10, 1979·3 cites·8 claims
- 0339US4091095APhosphinyl compoundsHOECHST AG·Filed 1976·Granted May 23, 1978·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →