Inventor
Paul Nicholas Ewing
Inventor
Warrington, GB
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds42%
B01DSeparation10%
B01FMixing, e.g. dissolving, emulsifying or dispersing10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C01BNon-metallic elements10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
6,767,394'Dye composition'20046,660,893'Hydrogen fluoride recovery process'20036,660,130'Apparatus for vaporization of liquids'20036,555,086'Hydrogen fluoride recovery process'20036,437,201'Production of hydrofluoroalkanes'20026,407,297'Preparation of fluorine-containing organic compounds'20026,288,292'Process and apparatus for vaporization of halocarbons'20016,270,742'Hydrogen fluoride recovery process'20016,127,586'Production of pentafluoroethane'20006,111,151'Removal of water from process streams'20006,034,288'Process for vaporization of halocarbons'20005,962,753'Process for the manufacture of pentafluoroethane'19995,928,479'Process for the purification of pentafluoroethane'19995,898,088'Production of pentafluoroethane'19995,763,707'Production of pentafluoroethane'19985,744,660'Products of tetrafluorothanes'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to ICI PLC (10)· patent assignee history
1998–2003Based in Warrington, GB· patent location history
1998–1999Based in Stockton Heath, GB· patent location history
2002–2003Patents assigned to INEOS FLUOR HOLDINGS LTD (5)· patent assignee history
2002Based in Cheshire, GB· patent location history
2004Patents assigned to AVECIA LTD (1)· patent assignee history
2004Based in Manchester, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ICI PLC | 10 | 1998–2001 |
| INEOS FLUOR HOLDINGS LTD | 5 | 2002–2003 |
| AVECIA LTD | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Warrington, GB | 12 | 1998–2003 |
| Stockton Heath, GB | 2 | 1998–1999 |
| Manchester, GB | 1 | 2004 |
| Cheshire, GB | 1 | 2002 |