Inventor
Roald N. Leif
Inventor
San Ramon, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge12%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification12%
A61KPreparations for medical, dental or toiletry purposes9%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents9%
C07KPeptides6%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms6%
A61QSpecific use of cosmetics or similar toiletry preparations3%
B09CReclamation of contaminated soil3%
PatentTitleYear
11,066,359Biodegradable surfactants and related compositions, methods and systems202110,137,324Halide-mediated dealkylation of phosphotriesters20189,290,810'DNA tagged microparticles'20169,023,650'DNA tagged microparticles'20158,835,178'Bio-threat microparticle simulants'20148,293,535'Bio-threat microparticle simulants'20126,387,278'Increasing subterranean mobilization of organic contaminants and petroleum by aqueous thermal oxidation'20026,010,632'Hydrothermal oxidation of organic compounds with heterogenous neutralizing reagent'20005,837,149'Method for hot and supercritical water oxidation of material with addition of specific reactants'19985,746,926'Method for hydrothermal oxidation of halogenated organic compounds with addition of specific reactants'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2000Patents assigned to STANFORD RES INST INT (3)· patent assignee history
1998–2002Based in San Francisco, CA, US· patent location history
2012–2021Patents assigned to L LIVERMORE NAT SECURITY LLC (6)· patent assignee history
2012–2014Patents assigned to FARQUAR GEORGE ROY (2)· patent assignee history
2012Patents assigned to LEIF ROALD N (1)· patent assignee history
2012–2021Based in San Ramon, CA, US· patent location history
2014Patents assigned to LEIF ROALD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| L LIVERMORE NAT SECURITY LLC | 6 | 2012–2021 |
| STANFORD RES INST INT | 3 | 1998–2000 |
| FARQUAR GEORGE ROY | 2 | 2012–2014 |
| LEIF ROALDself | 1 | 2014 |
| LEIF ROALD Nself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Ramon, California, US | 6 | 2012–2021 |
| San Francisco, California, US | 4 | 1998–2002 |