Inventor · disambiguated record

Karl-Heinz Krell

Also filed as: KRELL KARL-HEINZ

1 granted patent·6 citations·filing 1971–1971

28Inventor score

Technology areasC09B

Files withHOECHST AG1

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1 record

0165US3972904AWater-soluble dyestuffs readily convertible into insoluble form and process for preparing themHOECHST AG·Filed 1971·Granted Aug 3, 1976·6 cites·4 claims

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