Inventor
John Tomko
Inventor
Dobbs Ferry, NY, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium41%
C07DHeterocyclic compounds18%
A01NPreservation of bodies of humans or animals or plants or parts thereof12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C01BNon-metallic elements6%
C07CAcyclic or carbocyclic compounds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
PatentTitleYear
7,759,522'Process for purification of phosphate esters'20106,630,539'Neopentylene 1-phenylvinyl phosphonate'20036,429,329'Synthesis of a hydrocarbylvinylphosphonic acid hydrocarbyl ester'20025,783,730'Formation of styrene phosphonic acid'19985,391,816'Formation of 1-phenylvinyl-1-phosphonic acid'19955,186,733'Arylphosphonodiamide compounds and herbicidal compositions thereof'19934,952,646'Epoxy resin compositions containing a polyphosphoric/polyphosphonic anhydride curing agent'19904,950,757'Process for manufacture of melamine pyrophosphate'19904,910,240'Thermally stable diphosphonate-type flame retardant additive for plastics'19904,822,916'Preparation of diaryl sulfones'19894,736,052'Purification of diaryl alkylphosphonate reaction mixture'19884,596,598'Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid'19864,595,400'Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Patents assigned to STAUFFER CHEMICAL CO (3)· patent assignee history
1986–2010Based in Dobbs Ferry, NY, US· patent location history
1989–1990Patents assigned to AKZO AMERICA INC (4)· patent assignee history
1993Patents assigned to ICI PLC (1)· patent assignee history
1995–2003Patents assigned to AKZO NOBEL NV (4)· patent assignee history
2010Patents assigned to SUPRESTA LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AKZO AMERICA INC | 4 | 1989–1990 |
| AKZO NOBEL NV | 4 | 1995–2003 |
| STAUFFER CHEMICAL CO | 3 | 1986–1988 |
| ICI PLC | 1 | 1993 |
| SUPRESTA LLC | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dobbs Ferry, New York, US | 13 | 1986–2010 |