Inventor · disambiguated record
Michael Petschel
Also filed as: PETSCHEL MICHAEL
4 granted patents·60 citations·filing 1993–1996
77Inventor score
Technology areasC23C
Files withHENKEL CORP4
Top patents by PatentIndex Score
4 records- 0160US5378292APhosphate conversion coating and compositions and concentrates therefor with stable internal acceleratorHENKEL CORP·Filed 1993·Granted Jan 3, 1995·22 cites·20 claims
- 0253US5595611AModerate temperature manganese phosphate conversion coating composition and processHENKEL CORP·Filed 1996·Granted Jan 21, 1997·20 cites·8 claims
- 0344US5728235AModerate temperature manganese phosphate conversion coating composition and processHENKEL CORP·Filed 1996·Granted Mar 17, 1998·13 cites·6 claims
- 0433US5900073ASludge reducing zinc phosphating process and compositionHENKEL CORP·Filed 1996·Granted May 4, 1999·5 cites·18 claims
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