Inventor · disambiguated record
Hans Dressler
Also filed as: DRESSLER HANS · DRESSLER HANS-JOACHIM
15 granted patents·219 citations·filing 1975–2003
92Inventor score
Top patents by PatentIndex Score
15 records- 0191US4604491ASynthetic oilsKOPPERS CO INC·Filed 1984·Granted Aug 5, 1986·90 cites·21 claims
- 0290US5059723AHydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalystsINDSPEC CHEMICAL CORP·Filed 1990·Granted Oct 22, 1991·36 cites·19 claims
- 0380US5244725AHydroxyalkyl aryl ethers of di- and polyhydric phenolsINDSPEC CHEMICAL CORP·Filed 1992·Granted Sep 14, 1993·42 cites·34 claims
- 0464US4009995AProcess for dyeing molded articles containing urea formaldehyde resin or melamine formaldehyde resinDRESSLER HANS·Filed 1975·Granted Mar 1, 1977·16 cites·13 claims
- 0558US4705879ALong-chain alkylresorcinol phosphitesKOPPERS CO INC·Filed 1986·Granted Nov 10, 1987·13 cites·10 claims
- 0648US4656302ATris-(3-hydroxy-4,6-di-t-alkylphenyl) phosphitesKOPPERS CO INC·Filed 1985·Granted Apr 7, 1987·7 cites·1 claims
- 0744US4599464ANovel compositionsKOPPERS CO INC·Filed 1985·Granted Jul 8, 1986·2 cites·10 claims
- 0843US5130489AProcess for the preparation of M-aminophenols from resorcinolINDSPEC CHEMICAL CORP·Filed 1990·Granted Jul 14, 1992·2 cites·20 claims
- 0936US4592783ARust preventivesKOPPERS CO INC·Filed 1984·Granted Jun 3, 1986·6 cites·16 claims
- 1032US7092736B2Radio communication systemSIEMENS AG·Filed 2003·Granted Aug 15, 2006·0 cites·14 claims
- 1132US4645780ANovel biocides employing resorcinol derivativesKOPPERS CO INC·Filed 1986·Granted Feb 24, 1987·3 cites·6 claims
- 1232US4271285AAryl sulfide/sulfonate polymerKOPPERS CO INC·Filed 1979·Granted Jun 2, 1981·1 cites·1 claims
- 1329US4108907AProcess for the preparation of polyalkylbenzene hydroperoxidesKOPPERS CO INC·Filed 1976·Granted Aug 22, 1978·0 cites·10 claims
- 1424US4302403AProcess for reacting sulfuric acid and an aromatic hydrocarbon to purify a disulfonic acid product of an aromatic hydrocarbonKOPPERS CO INC·Filed 1980·Granted Nov 24, 1981·1 cites·5 claims
- 1523US4405755ANovel N-methylolated/methoxymethylated aryldisulfonamidesKOPPERS CO INC·Filed 1981·Granted Sep 20, 1983·0 cites·17 claims
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