Inventor
Thomas Walter
Inventor
Baton Rouge, LA, US
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Lprimary
B01LChemical or physical laboratory apparatus for general use11%
C12NMicroorganisms or enzymes10%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms10%
C07DHeterocyclic compounds8%
C07HSugars7%
Y10TTechnical subjects covered by former us classification7%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C07CAcyclic or carbocyclic compounds4%
H01FMagnets4%
PatentTitleYear
10,988,758Magnetic nanoparticles for nucleic acid purification202110,100,301Synthesis of magnetic nanoparticles for nucleic acid purification20189,912,153'Method for controlling the ratio between supplied and drawn electric energy in an electric energy supply network'20189,510,607'Isomaltulose in fondants'20168,927,261'Method and device for purifying nucleic acids'20158,158,349'Method and device for purifying nucleic acids'20127,897,378'Method and device for purifying nucleic acids'20117,537,935'System for providing biological materials'20097,491,495'Adsorption of nucleic acids to a solid phase'20097,371,830'Method for separating biological material from a fluid using magnetic particles'20087,329,491'Methods for isolating nucleic acids'20086,870,047'Magnetic pigment'20056,720,417'Method and device for refining nucleic acids'20046,669,910'System for providing biological materials'20036,255,477'Particles having a magnetic core and outer glass layer for separating biological material'20016,090,936'Device for isolating nucleic acids'20005,910,246'Device for isolating nucleic acids'19995,906,947'Method for the repeated transfer of liquids'19995,821,436'Method for the repeated transfer of liquids'19984,948,648'Fire resistant laminar cushioning material'19904,851,835'Capacitive rotary transmitter for controlling and positioning displaced objects'19894,552,966'2-Nitro-4-(4-pyridinyl) benzoic acids and derivatives'19854,533,735'Process for preparing antibacterial compounds'19854,524,203'4-(4-Pyridinyl)isatoic anhydride'19854,515,945'N-Alkyl-4-(4-pyridinyl)isatoic anhydrides'19854,490,535'4-(3- and 4-Chlorocyclohex-3-enyl)pyridine intermediates'19844,473,706'Preparation of cyclic-keto-acids'19844,405,792'Substituted pyridines and their preparation'19834,401,581'Nitrogen-containing ashless dispersants and lubricating oil composition containing same'19834,247,490'Process for the purification of dialkylphosphorochloridothioates'19814,188,499'Purification of alcohol'19804,188,493'Process for recovering CMOS'19804,186,147'Process for preparing aniline compounds'19804,152,522'Process for the preparation of 2-benzimidazole carbamates'19794,137,260'Process for precipitation of carboxyalkoxy succinate tetrahydrate salt'19794,058,560'Chemical process'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to ETHYL CORP (15)· patent assignee history
1977–1990Based in Baton Rouge, LA, US· patent location history
1989–2016Patents assigned to WALTER THOMAS (4)· patent assignee history
1998–2000Patents assigned to BOEHRINGER MANNHEIM GMBH (4)· patent assignee history
1998–2008Based in Bichl, DE· patent location history
2001–2008Patents assigned to ROCHE DIAGNOSTICS GMBH (5)· patent assignee history
2003–2021Based in Penzberg, DE· patent location history
2009–2021Patents assigned to ROCHE MOLECULAR SYSTEMS INC (6)· patent assignee history
2016Based in Mühlhausen, DE· patent location history
2018Based in Karlsruhe, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ETHYL CORP | 15 | 1977–1990 |
| ROCHE MOLECULAR SYSTEMS INC | 6 | 2009–2021 |
| ROCHE DIAGNOSTICS GMBH | 5 | 2001–2008 |
| BOEHRINGER MANNHEIM GMBH | 4 | 1998–2000 |
| WALTER THOMASself | 4 | 1989–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baton Rouge, LA, US | 16 | 1977–1990 |
| Penzberg, DE | 10 | 2003–2021 |
| Bichl, DE | 7 | 1998–2008 |
| Karlsruhe, DE | 1 | 2018 |
| Mühlhausen, DE | 1 | 2016 |