Inventor
Carl A. Aufdermarsh
Inventor
Newark, DE, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C07CAcyclic or carbocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C07DHeterocyclic compounds5%
C08JWorking-up5%
C08LCompositions of macromolecular compounds5%
E21BEarth or rock drilling5%
PatentTitleYear
7,521,510'Bisaminophenyl-based curatives and amidine-based curatives and cure accelerators for perfluoroelastomeric compositions'20097,247,749'Bisaminophenyl-based curatives and amidine-based curatives and cure accelerators for perfluoroelastomeric compositions'20076,084,052'Use of polyaryletherketone-type thermoplastics in downhole tools'20005,461,107'Perfluoroelastomeric compositions and seals having improved chemical resistance and methods of making the same'19955,444,116'Perfluoroelastomeric compositions and seals having improved chemical resistance and methods of making the same'19954,600,651'Fluoroelastomer laminates'19864,413,094'Perfluoroelastomer blends'19834,394,489'Fluoroelastomer curatives'19834,316,836'Stabilized fluoroelastomer compositions'19823,997,592'Preparation of aqueous dispersions of blocked aromatic polyisocyanates'19763,963,710'Finely divided blocked isocyanates prepared in the presence of surfactants'19763,933,677'Preparation of aqueous dispersions of blocked aromatic polyisocyanates'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1986Patents assigned to DU PONT (7)· patent assignee history
1976–1983Based in Newark, DE, US· patent location history
1986Based in Houston, TX, US· patent location history
1995Patents assigned to GREENE TWEED & CO INC (2)· patent assignee history
1995Based in West University Place, TX, US· patent location history
2000Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history
2000–2009Based in Asheville, NC, US· patent location history
2007Patents assigned to FED STATE UNITARY ENTPR S V LE (1)· patent assignee history
2009Patents assigned to GREENE TWEED INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 7 | 1976–1986 |
| GREENE TWEED & CO INC | 2 | 1995 |
| FED STATE UNITARY ENTPR S V LE | 1 | 2007 |
| GREENE TWEED INC | 1 | 2009 |
| SCHLUMBERGER TECHNOLOGY CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newark, Delaware, US | 6 | 1976–1983 |
| Asheville, NC, US | 3 | 2000–2009 |
| West University Place, Texas, US | 2 | 1995 |
| Houston, Texas, US | 1 | 1986 |