Inventor · disambiguated record
Dietrich Arntz
Also filed as: ARNTZ DIETRICH
51 granted patents·2,068 citations·filing 1982–2001
99Inventor score
Top patents by PatentIndex Score
51 records- 0198US5334778AProcess for the production of 1,3-propanediolDEGUSSA·Filed 1993·Granted Aug 2, 1994·145 cites·15 claims
- 0297US6232511B1Process for the production of 1,3-propanediol by hydrogenating 3-hydroxypropionaldehydeDU PONT·Filed 1998·Granted May 15, 2001·94 cites·10 claims
- 0397US5387720AProcess for the production of acroleinDEGUSSA·Filed 1993·Granted Feb 7, 1995·178 cites·20 claims
- 0497US5364987AProcess for the preparation of 1,3-propanediolDEGUSSA·Filed 1993·Granted Nov 15, 1994·90 cites·13 claims
- 0597US5276201AProcess for the production of 3-hydroxyalkanalsDEGUSSA·Filed 1992·Granted Jan 4, 1994·97 cites·14 claims
- 0696US5364984AProcess for the preparation of 1,3-propanediol by the hydrogenation of hydroxypropionaldehydeDEGUSSA·Filed 1992·Granted Nov 15, 1994·106 cites·13 claims
- 0796US5015789AMethod of preparing 1,3-propanediolDEGUSSA·Filed 1990·Granted May 14, 1991·133 cites·12 claims
- 0896US4621072AProcess for preparing abrasion-resistant coated catalystsDEGUSSA·Filed 1985·Granted Nov 4, 1986·61 cites·25 claims
- 0995US5817870AProcess for the production of malonic acid or a salt thereofDEGUSSA·Filed 1997·Granted Oct 6, 1998·84 cites·12 claims
- 1095US5284979AProcess for the prepartion of 3-hydroxyalkanalsDEGUSSA·Filed 1992·Granted Feb 8, 1994·83 cites·15 claims
- 1195US4442308AProcess for preparing by catalytic oxidation in oxygen-containing gas mixtures, acrolein from propylene and methacrolein from isobutylene or tertiary butanolDEGUSSA·Filed 1982·Granted Apr 10, 1984·52 cites·21 claims
- 1294US5426249AProcess for the simultaneous production of 1,2- and 1,3-propanediolDEGUSSA·Filed 1993·Granted Jun 20, 1995·69 cites·14 claims
- 1393US6140543AProcess for the production of 1,3-propanediolDU PONT·Filed 1998·Granted Oct 31, 2000·67 cites·5 claims
- 1492US5171898AMethod for the production of 1,3-propandiolDEGUSSA·Filed 1991·Granted Dec 15, 1992·50 cites·11 claims
- 1590US4521618AProcess for preparing acrylic or methacrylic acidDEGUSSA·Filed 1983·Granted Jun 4, 1985·43 cites·1 claims
- 1689US5866721AProcess for separating the product gas mixture from the catalytic synthesis of methyl mercaptanDEGUSSA·Filed 1997·Granted Feb 2, 1999·47 cites·10 claims
- 1789US5082819ACatalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalystDEGUSSA·Filed 1990·Granted Jan 21, 1992·75 cites·21 claims
- 1886US5962745AProcess for preparing 3-hydroxyalkanalsDU PONT·Filed 1998·Granted Oct 5, 1999·76 cites·4 claims
- 1985US6056932AReactor for performing endothermic catalytic reactionsDEGUSSA·Filed 1997·Granted May 2, 2000·61 cites·2 claims
- 2085US5504254AProcess for the preparation of isophoronediamineDEGUSSA·Filed 1994·Granted Apr 2, 1996·24 cites·45 claims
- 2185US4579979AMethod for preparation of acetalsDEGUSSA·Filed 1985·Granted Apr 1, 1986·23 cites·17 claims
- 2281US5679860AProcess for the production of 3-aminoethyl-3,5,5-trimethylcyclohexyl amineDEGUSSA·Filed 1996·Granted Oct 21, 1997·24 cites·11 claims
- 2381US5072052AProcess for the production of acrolein by catalytic gas-phase oxidation of propeneDEGUSSA·Filed 1990·Granted Dec 10, 1991·47 cites·6 claims
- 2480US5583260AMethod of influencing the cis/trans isomer ratio of isophoronediamine in its preparation from isophoronenitrileDEGUSSA·Filed 1994·Granted Dec 10, 1996·18 cites·31 claims
- 2576US6294138B1Reactor for performing endothermic catalytic reactionsDEGUSSA·Filed 1999·Granted Sep 25, 2001·35 cites·11 claims
- 2674US5886230AProcess for continuous production of methyl mercaptanDEGUSSA·Filed 1997·Granted Mar 23, 1999·16 cites·6 claims
- 2773US5831121AProcess for the production of 3-hydroxy propionic acid or a salt thereofDEGUSSA·Filed 1997·Granted Nov 3, 1998·14 cites·14 claims
- 2872US5100852ACompounds of catalysts for dealkoxylation of gem-dialkoxyDEGUSSA·Filed 1988·Granted Mar 31, 1992·10 cites·4 claims
- 2971US5852219ACatalyst, process for its preparation, and use for synthesis of methyl mercaptanDEGUSSA·Filed 1997·Granted Dec 22, 1998·33 cites·12 claims
- 3069US5892129AProcess for the preparation of 1,1,3-trialkoxypropaneDEGUSSA·Filed 1997·Granted Apr 6, 1999·15 cites·20 claims
- 3168US6534028B2Process for performing endothermic catalytic reactionsDEGUSSA·Filed 2001·Granted Mar 18, 2003·8 cites·17 claims
- 3264US5741904AMethod of producing ε-caprolactam, MFI zeolite catalysts on whose surface symmetrically arranged OH groups are present and to a method of producing themDEGUSSA·Filed 1996·Granted Apr 21, 1998·17 cites·12 claims
- 3363US5658844ACatalyst for the production of cyanopyriclinesDEGUSSA·Filed 1996·Granted Aug 19, 1997·9 cites·34 claims
- 3461US5177220AMethod for the asymmetric hydrogenation of α-ketocarbonyl compounds to optically active α-hydroxycarbonyl compoundsDEGUSSA·Filed 1991·Granted Jan 5, 1993·9 cites·20 claims
- 3560US5977011ACatalyst, process for its preparation, and use for synthesis of methyl mercaptanDEGUSSA HULS·Filed 1997·Granted Nov 2, 1999·9 cites·20 claims
- 3660US5852217AProcess for the production of primary and/or secondary amines from oxo compoundsDEGUSSA·Filed 1997·Granted Dec 22, 1998·7 cites·14 claims
- 3760US5234883ACatalyst for hardening fatty acids and process for its preparationDEGUSSA·Filed 1992·Granted Aug 10, 1993·19 cites·14 claims
- 3857US5980838AReactor head for a monolithic co-current or countercurrent reactorDEGUSSA·Filed 1997·Granted Nov 9, 1999·21 cites·2 claims
- 3957US5785942AProcess for the production of hydrocyanic acidDEGUSSA·Filed 1996·Granted Jul 28, 1998·21 cites·11 claims
- 4054US5216179AMethod of producing mixtures of cyclic acrolein glycerol acetalsDEGUSSA·Filed 1991·Granted Jun 1, 1993·6 cites·12 claims
- 4154US4539409AProcess for preparing aromatic nitrilesDEGUSSA·Filed 1983·Granted Sep 3, 1985·9 cites·2 claims
- 4253US6071844AMethod of producing ε-Caprolactam, MFI zeolite catalysts on whose surface symmetrically arranged OH groups are present and to a method of producing themDEGUSSA·Filed 1997·Granted Jun 6, 2000·10 cites·16 claims
- 4349US5892049ACatalyst for the production of cyanopyridinesDEGUSSA·Filed 1997·Granted Apr 6, 1999·12 cites·7 claims
- 4446US5688973AProcess for the production of 2-vinyl-1,3-dioxolaneDEGUSSA·Filed 1995·Granted Nov 18, 1997·5 cites·24 claims
- 4545US5928984AProcess for preparing catalytically active coatings for the synthesis of hydrogen cyanideDEGUSSA·Filed 1997·Granted Jul 27, 1999·9 cites·24 claims
- 4644US5681973AMicroporous heteropolyoxometallates and method of their production and use as catalystsDEGUSSA·Filed 1995·Granted Oct 28, 1997·13 cites·37 claims
- 4743US6048512AProcess for preparing catalytically active coatings for the synthesis of hydrogen cyanideDEGUSSA·Filed 1999·Granted Apr 11, 2000·8 cites·3 claims
- 4843US5961945AMethod of producing cyano compounds by ammoxidationDEGUSSA·Filed 1997·Granted Oct 5, 1999·2 cites·10 claims
- 4935US6051706AMethod of producing ε-caprolactamDEGUSSA·Filed 1999·Granted Apr 18, 2000·4 cites·3 claims
- 5029US5705706AProcess for the production of 2-(alkoxymethyl)acroleinDEGUSSA·Filed 1996·Granted Jan 6, 1998·0 cites·24 claims
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