Inventor
Gunnar Heydrich
Inventor
Limburgerhof, DE
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds42%
C07BGeneral methods of organic chemistry22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
B01DSeparation5%
C07DHeterocyclic compounds4%
C12CBeer4%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture4%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,669,222Process for enriching enantiomers from an enantiomer mixture202010,301,244Method for synthesizing optically active carbonyl compounds20199,988,331Method for producing optically active, racemic menthol20189,975,837Method for synthesizing optically active carbonyl compounds2018RE046151'Method for the production of 4,4′-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols)'20168,759,580'Method for the production of aminoalkane acid amides'20148,653,313'Process for preparing a phenylcyclohexane'20148,623,621'Method for producing optically active 2-methyl-alkanols'20148,414,744'Continuous process for preparing menthol in pure or enriched form'20138,318,985'Method for producing optically active, racemic menthol'20128,288,593'Menthol flakes and method for producing the same'20128,282,793'Continuous process for preparing neral in pure or enriched form'20128,212,084'Method for the production of 4,4′-[1-trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols)'20128,134,034'Recovery of bis(diarylphenol) ligands during the production of isopulegol'20128,071,389'Method for controlling hydrogenation'20118,003,829'Recovery of phenol ligands during the production of isopulegol'20117,960,593'Process for preparation of menthol by hydrogenation of isopulegol'20117,816,107'Method for producing an optically active 2-methyl-alkane-1-ol from the corresponding 2-methylalk-2-en-1-al, comprising carbonyl-selective reduction, enantioselective hydration and lipase-catalyzed, stereoselective acylation in order to enrich the desired'20107,307,040'Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride'20077,271,299'Two-stage method for producing butanediol with intermediated separation of succinic anhydride'20077,211,698'Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal'20077,169,958'Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation'20077,154,011'Method for the production of 1,4- butanediol'20066,713,656'Preparation of diacetals of glyoxal'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2011Patents assigned to BASF AG (8)· patent assignee history
2004–2019Based in Limburgerhof, DE· patent location history
2011–2020Patents assigned to BASF SE (16)· patent assignee history
2011–2014Patents assigned to HEYDRICH GUNNAR (10)· patent assignee history
2011Based in Kirchenstr, DE· patent location history
2012–2014Patents assigned to GRALLA GABRIELE (5)· patent assignee history
2012–2013Patents assigned to EBEL KLAUS (4)· patent assignee history
2020Based in Ludwigshafen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF SE | 16 | 2011–2020 |
| HEYDRICH GUNNARself | 10 | 2011–2014 |
| BASF AG | 8 | 2004–2011 |
| GRALLA GABRIELE | 5 | 2012–2014 |
| EBEL KLAUS | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Limburgerhof, DE | 22 | 2004–2019 |
| Ludwigshafen, DE | 1 | 2020 |
| Kirchenstr, DE | 1 | 2011 |