Inventor
Walter Partenheimer
Inventor
Naperville, IL, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds37%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C07DHeterocyclic compounds12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
Y02PClimate change mitigation technologies in the production or processing of goods12%
C22BProduction and refining of metals3%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C07BGeneral methods of organic chemistry2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
PatentTitleYear
8,785,667'Processes for preparing diacids, dialdehydes and polymers'20148,748,638'Processes for preparing diacids, dialdehydes and polymers'20148,748,637'Processes for preparing diacids, dialdehydes and polymers'20148,575,299'Processes for preparing diacids, dialdehydes and polymers'20138,524,923'Processes for preparing diacids, dialdehydes and polymers'20138,129,550'Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan'20127,956,203'Oxidation of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan'20116,958,373'Transformation of polymers to useful chemicals oxidation'20055,453,538'Process for the manufacture of aromatic dicarboxylic acids utilizing cerium to facilitate a low bromine to metals catalyst ratio'19955,194,633'Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride'19935,112,992'Production of polycarboxylic acids with hafnium-activated cobalt catalyst'19925,081,290'Process for making aromatic polycarboxylic acids and oxidation catalyst system'19925,041,633'Process for the production of an aromatic polycarboxylic acid'19914,992,580'Production of polycarboxylic acids with a molybdenum-activated cobalt catalyst'19914,950,786'Method for making 2,6-naphthalene dicarboxylic acid'19904,940,810'Process for producing silicon-containing aromatic polyacids'19904,816,601'Process for the manufacture of trimellitic acid'19894,786,753'Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds'19884,719,311'Process for the production of aromatic polycarboxylic acids'19884,284,523'Minimizing oxygenated aromatic compound content of aqueous solution of reclaimed metal oxidation catalyst'19814,242,128'Removal of dissolved copper from aqueous solution also containing dissolved cobalt or manganese'19804,228,091'Removal of nickel from cobalt and manganese'19804,094,816'Method for stabilizing a phosphorus-vanadium-oxygen complex catalyst'19784,089,807'Reactivation of a phosphorus-vanadium-oxygen complex oxidation catalyst'19784,020,174'Reactivation of maleic anhydride producing phosphorus-vanadium-oxygen complex oxidation catalysts by treatment with halide containing materials'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1981Patents assigned to STANDARD OIL CO INDIANA (5)· patent assignee history
1977–1995Based in Naperville, IL, US· patent location history
1988–1995Patents assigned to AMOCO CORP (11)· patent assignee history
2005–2014Patents assigned to DU PONT (8)· patent assignee history
2005–2013Based in Wilmington, DE, US· patent location history
2012–2013Patents assigned to GRUSHIN VLADIMIR (2)· patent assignee history
2012–2013Patents assigned to MANZER LEO ERNEST (2)· patent assignee history
2014Based in Portland, OR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMOCO CORP | 11 | 1988–1995 |
| DU PONT | 8 | 2005–2014 |
| STANDARD OIL CO INDIANA | 5 | 1977–1981 |
| GRUSHIN VLADIMIR | 2 | 2012–2013 |
| MANZER LEO ERNEST | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Naperville, Illinois, US | 17 | 1977–1995 |
| Wilmington, Delaware, US | 5 | 2005–2013 |
| Portland, OR, US | 3 | 2014 |