Inventor
Philip Conrad Heidt
Inventor
Kingsport, TN, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds44%
C07BGeneral methods of organic chemistry16%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
LOC248%
B05DProcesses for applying fluent materials to surfaces, in general4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
F16FSprings4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
D0927005Non-invasive neurostimulation device2021D0907221Non-invasive neurostimulation device202110,077,352Polymeric compositions with improved noise suppression20188,420,869'Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diols'20137,838,707'Process for the preparation of a tetraalkylcyclobutane-1,3-diol using an ruthenium-promoted cobalt-based catalyst'20107,582,804'Process for the preparation of a tetraalkycyclobutane-1,3-diol using a promoted-copper catalyst'20097,524,994'Process for the preparation of a tetraalkylcyclobutane-1,3-diol using an iridium-promoted cobalt-based catalyst'20097,521,583'Process for the preparation of tetraalkylcyclobutane-1,3-diol in the presence of a cobalt-based catalyst'20096,313,340'Process for the preparation of methyl p-vinylbenzoate and p-vinyl benzoic acid, and their use in latex compositions'20016,194,615'Crosslinkers based on dibenzalacetone derivatives'20015,667,901'Crosslinkers based on 2-acetylglutarate esters of polyols'19975,466,863'Thermosetting coating compositions'19955,412,151'Thermosetting coating compositions'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2018Patents assigned to EASTMAN CHEM CO (10)· patent assignee history
1995–2018Based in Kingsport, TN, US· patent location history
2001Patents assigned to EASTMAN CHEMICAL CORP (1)· patent assignee history
2013Patents assigned to HEIDT PHILIP CONRAD (1)· patent assignee history
2013Patents assigned to LIU ZHUFANG (1)· patent assignee history
2021Patents assigned to HELIUS MEDICAL INC (2)· patent assignee history
2021Based in Cambridge, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN CHEM CO | 10 | 1995–2018 |
| HELIUS MEDICAL INC | 2 | 2021 |
| EASTMAN CHEMICAL CORP | 1 | 2001 |
| HEIDT PHILIP CONRADself | 1 | 2013 |
| LIU ZHUFANG | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingsport, TN, US | 11 | 1995–2018 |
| Cambridge, GB | 2 | 2021 |