Inventor · disambiguated record

Werner Hartwich

Also filed as: HARTWICH WERNER

2 granted patents·24 citations·filing 1993–1995

60Inventor score

Technology areasC09B G02B

Files withBAYER AG2

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2 records

0161US5436323ACationic 1,3,4-thiadiazole dyestuffsBAYER AG·Filed 1993·Granted Jul 25, 1995·8 cites·7 claims
0249US5580964ACationic thiadiazole dyestuffsBAYER AG·Filed 1995·Granted Dec 3, 1996·16 cites·11 claims

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Werner Hartwich — Patent Inventor | PatentIndex