Inventor · disambiguated record
Wolf-Achim Roland
Also filed as: ROLAND WOLF A · ROLAND WOLF-ACHIM
12 granted patents·173 citations·filing 1980–1996
92Inventor score
Top patents by PatentIndex Score
12 records- 0174US5935656AShort duration hot seal for anodized metal surfacesHENKEL KGAA·Filed 1996·Granted Aug 10, 1999·31 cites·20 claims
- 0269US5891269AMethod of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metalsHENKEL KGAA·Filed 1996·Granted Apr 6, 1999·24 cites·20 claims
- 0363US5026440AChromium free treatment before coating metal surfacesCOLLARDIN GMBH GERHARD·Filed 1989·Granted Jun 25, 1991·25 cites·20 claims
- 0459US4957568AComposition and process for activating metal surfaces prior to zinc phosphating and process for making said compositionHENKEL KGAA·Filed 1989·Granted Sep 18, 1990·12 cites·20 claims
- 0558US5207840AProcess for preparing zinc phosphate coatings containing manganese and magnesiumHENKEL KGAA·Filed 1990·Granted May 4, 1993·20 cites·20 claims
- 0654US4288225AFluid, cold-stable, two-component washing compositions and method of washing textilesHENKEL KGAA·Filed 1980·Granted Sep 8, 1981·17 cites·12 claims
- 0752US5961809AChromium-free process for improving paint adhesion after thin-layer anodizationHENKEL KGAA·Filed 1996·Granted Oct 5, 1999·11 cites·20 claims
- 0850US6197126B1Nickel-free phosphating processHENKEL KGAA·Filed 1992·Granted Mar 6, 2001·14 cites·18 claims
- 0943US5792283ANickel-free phosphating processHENKEL KGAA·Filed 1994·Granted Aug 11, 1998·9 cites·24 claims
- 1042US5112414ATitanium free composition and process for activating metal surfaces prior to zinc phosphatingHENKEL KGAA·Filed 1991·Granted May 12, 1992·7 cites·9 claims
- 1133US5039362ATitanium free composition and process for activating metal surfaces prior to zinc phosphatingHENKEL KGAA·Filed 1989·Granted Aug 13, 1991·3 cites·14 claims
- 1228US5350517AMethod of recycling phosphating sludgesHENKEL KGAA·Filed 1991·Granted Sep 27, 1994·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →