Inventor · disambiguated record
Heinz Friedrich
Also filed as: FREDRICH HEINZ · FRIEDRICH HEINZ · FRIEDRICH HEINZ G
28 granted patents·661 citations·filing 1974–2000
97Inventor score
Top patents by PatentIndex Score
28 records- 0193US5770409AFermentative preparation of lysine with a strain of C. glutamicumDEGUSSA AKTIENGSELLSCHAFT·Filed 1996·Granted Jun 23, 1998·110 cites·6 claims
- 0291US5840358AProcess for the preparation of an animal feed supplement based on fermentation brothDEGUSSA·Filed 1997·Granted Nov 24, 1998·112 cites·35 claims
- 0385US5431933AAnimal feed supplement based on a fermentation broth amino acid, a process for its production and its useDEGUSSA·Filed 1992·Granted Jul 11, 1995·115 cites·16 claims
- 0485US4217295AProcess of catalytic methanationNL INDUSTRIES INC·Filed 1977·Granted Aug 12, 1980·18 cites·17 claims
- 0584US6238714B1Feedstuff additive which contains D-pantothenic acid and/or its salts and a process for the preparation thereofDEGUSSA·Filed 1999·Granted May 29, 2001·87 cites·11 claims
- 0684US5622710AAnimal feed additive based on fermentation broth, a process for its production and its useDEGUSSA·Filed 1995·Granted Apr 22, 1997·74 cites·9 claims
- 0782US6319528B1Feedstuff additive which contains D-pantothenic acid and/or its salts and a process for the preparation thereofDEGUSSA·Filed 2000·Granted Nov 20, 2001·10 cites·15 claims
- 0882US4447612ACatalysts for the production of 3-cyanopyridineDEGUSSA·Filed 1982·Granted May 8, 1984·14 cites·16 claims
- 0978US4314064AProcess for the production of nicotinamideDEGUSSA·Filed 1980·Granted Feb 2, 1982·10 cites·12 claims
- 1073US4147874AProcess for the production of pyridine and 3-methyl pyridineDEGUSSA·Filed 1978·Granted Apr 3, 1979·7 cites·19 claims
- 1173US3978136AProcess for the production of a catalyst suitable for the oxidation of methanol to formaldehydeDEGUSSA·Filed 1974·Granted Aug 31, 1976·24 cites·10 claims
- 1272US4175195AProcess for the production of substituted pyridine (A)DEGUSSA·Filed 1977·Granted Nov 20, 1979·7 cites·20 claims
- 1371US4149002AProcess for the production of 2-methyl pyridine and 3-methyl pyridineDEGUSSA·Filed 1978·Granted Apr 10, 1979·6 cites·19 claims
- 1470US4959478AMethod of producing-coarse crystalline nicotinic acid with a high degree of purityDEGUSSA·Filed 1989·Granted Sep 25, 1990·10 cites·7 claims
- 1570US4447614AProcess for the purification of nicotinic acid amideDEGUSSA·Filed 1981·Granted May 8, 1984·7 cites·19 claims
- 1665US6133000AFermentative preparation of amino acidsDEGUSSA·Filed 1998·Granted Oct 17, 2000·11 cites·12 claims
- 1765US4197161AProcess for the recovery of catalysts in the epoxidation and hydroxylation of olefinic compoundsDEGUSSA·Filed 1975·Granted Apr 8, 1980·11 cites·28 claims
- 1863US4447615AProcess for the purification of nicotinic acid amide IDEGUSSA·Filed 1981·Granted May 8, 1984·5 cites·16 claims
- 1958US4171445AProcess for the production of pyridine and 3-methyl pyridineDEGUSSA·Filed 1975·Granted Oct 16, 1979·3 cites·16 claims
- 2057US4163854AProcess for the production of 3-methyl pyridineDEGUSSA·Filed 1978·Granted Aug 7, 1979·3 cites·19 claims
- 2155US4332940AProcess for the production of 2,3-cycloalkenopyridinesDEGUSSA·Filed 1977·Granted Jun 1, 1982·3 cites·23 claims
- 2255US4171444AProcess for the production of substituted pyridine (C)DEGUSSA·Filed 1977·Granted Oct 16, 1979·3 cites·23 claims
- 2355US4169951AProcess for the production of substituted pyridine (b)DEGUSSA·Filed 1977·Granted Oct 2, 1979·3 cites·18 claims
- 2451US4139536AProcess for the recovery of nicotinamideDEGUSSA·Filed 1976·Granted Feb 13, 1979·2 cites·12 claims
- 2537US4419272ACatalysts for the production of 2-cyanopyrazineDEGUSSA·Filed 1982·Granted Dec 6, 1983·5 cites·9 claims
- 2631US4237299AProcess for the recovery of pyridine and 3-methylpyridineDEGUSSA·Filed 1976·Granted Dec 2, 1980·0 cites·10 claims
- 2727US4087462AProduction of formaldehyde in a fluidized bed with a fixed temperature gradientDEGUSSA·Filed 1974·Granted May 2, 1978·1 cites·6 claims
- 2826US4496729ACatalysts for the production of 2-cyanopyrazineDEGUSSA·Filed 1983·Granted Jan 29, 1985·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →