Inventor · disambiguated record
Paul Rys
Also filed as: RYS PAUL
10 granted patents·1 pending application·42 citations·filing 1974–2007
85Inventor score
Top patents by PatentIndex Score
11 records- 0179US4950306ADyeing and printing of cellulosic fibre materials with vat dyes with mono- or di-hydroxyacetone as reducing agentCIBA GEIGY AG·Filed 1989·Granted Aug 21, 1990·23 cites·15 claims
- 0253US4929771AProcess for the preparation of alkyl-substituted phenols or naphtholsCIBA GEIGY CORP·Filed 1988·Granted May 29, 1990·6 cites·9 claims
- 0349US7273954B2Catalytic method for the production of carbonyl compoundsCLARIANT SPECIALITY FINE CHEMI·Filed 2003·Granted Sep 25, 2007·3 cites·20 claims
- 0446US7453013B2Catalytic method for the production of carbonyl compoundsWEYLCHEM FRANKFURT GMBH·Filed 2007·Granted Nov 18, 2008·0 cites·19 claims
- 0541US2005121336A1Method and apparatus for electro-catalytical hydrogenation of vat dyes and sulphide dyesFiled 2002·Application pending·0 cites
- 0636US3950403ASpiro compoundsCIBA GEIGY CORP·Filed 1974·Granted Apr 13, 1976·1 cites·2 claims
- 0735US5041634AProcess for the preparation of carboxylated aromatic hydroxy compoundsCIBA GEIGY CORP·Filed 1988·Granted Aug 20, 1991·1 cites·14 claims
- 0835US4861920AProcess for the preparation of 2,6-dihydroxynaphthaleneCIBA GEIGY CORP·Filed 1988·Granted Aug 29, 1989·1 cites·15 claims
- 0932US4773973AProcess for the production of polycrystalline silicon coatings by electrolytic deposition of siliconCIBA GEIGY AG·Filed 1988·Granted Sep 27, 1988·4 cites·11 claims
- 1030US4759830AProcess for the production of polycrystalline silicon coatings by electrolytic deposition of siliconCIBA GEIGY AG·Filed 1987·Granted Jul 26, 1988·3 cites·12 claims
- 1128US4042635ASpiro compoundsCIBA GEIGY CORP·Filed 1975·Granted Aug 16, 1977·0 cites·2 claims
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