Inventor · disambiguated record

Leonhard Heckl

Also filed as: HECKL LEONHARD

1 granted patent·2 citations·filing 1976–1976

20Inventor score

Technology areasC09B

Files withBASF FARBEN & 0 FASERN AG1

Top patents by PatentIndex Score

1 record

0134US4052378ARed pigment obtained by coupling diazotized 4-aminonaphthalimide with 2,6-dihydroxy-3-cyano-4-methylpyridineBASF FARBEN & 0 FASERN AG·Filed 1976·Granted Oct 4, 1977·2 cites·1 claims

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