Inventor

Jon Lee Howell

Inventor
Bear, DE, US

Overview

36→
Patents
1992–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Mprimary
C10MLubricating compositions16%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions15%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
C07CAcyclic or carbocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
F25BRefrigeration machines, plants or systems6%
Y10TTechnical subjects covered by former us classification6%
B01DSeparation2%
C07BGeneral methods of organic chemistry2%
PatentTitleYear
11,130,894Epoxide and fluorinated epoxide stabilizers for fluoroolefins202110,550,302Epoxide and fluorinated epoxide stabilizers for fluoroolefins202010,093,880Perfluoropolyether extraction processes201810,087,393Recovery of perfluorinated polyether oils from grease matrices incorporating extraction aids by carbon dioxide extraction20189,777,204'Epoxide and fluorinated epoxide stabilizers for fluoroolefins'20179,732,212'Aqueous polymerization of fluorinated monomer using a mixture of fluoropolyether acids or salts'20179,725,456'Quarternary ammonium perfluoroalkoxy salts for preparation of perfluoropolyethers'20179,133,381'Epoxide and fluorinated epoxide stabilizers for fluoroolefins'20158,895,681'Processes for preparing low molecular weight hexafluoropropylene-olefin cotelomers'20148,668,791'Ascorbic acid, terephthalate and nitromethane stabilizers for fluoroolefins'20148,663,494'Terpene, terpenoid, and fullerene stabilizers for fluoroolefins'20148,535,555'Epoxide and fluorinated epoxide stabilizers for fluoroolefins'20138,535,556'Compositions comprising iodotrifluoromethane and stabilizers'20138,529,786'Phosphorus-containing stabilizers for fluoroolefins'20138,372,486'Lubricated metal article'20138,101,094'Terpene, terpenoid, and fullerene stabilizers for fluoroolefins'20128,097,181'Ascorbic acid, terephthalate and nitromethane stabilizers for fluoroolefins'20128,084,405'Composition comprising perfluoropolyether'20118,044,006'Composition comprising perfluoropolyether'20117,838,475'Composition comprising perfluoropolyether'20107,572,942'Synthesis of carbon-labeled perfluoroalkyl compounds'20097,544,646'Method for lubricating a sootblower'20097,420,074'Process for fluoro derivative-substituted aryl pnictogens and their oxides'20087,396,948'Process for fluoro derivative-substituted aryl pnictogens and their oxides'20087,351,870'Synthesis of carbon-labeled perfluoroalkyl compounds'20087,340,834'Method of lubricating bearings'20087,285,673'Process for fluoro derivative-substituted aryl pnictogens and their oxides'20077,232,932'Thermally stable perfluoropolyethers and processes therefor and therewith'20077,148,385'Perfluoropolyether primary bromides and lodides'20066,828,284'Flourinated compositions comprising phosphorus'20046,753,301'Thermally stable perfluoropolyethers and processes therefor and therewith'20046,653,511'Perfluoropolyether primary bromides and iodides'20036,559,108'Perfluoropolyether compounds as magnetic media lubricants'20036,528,457'Composition comprising halogenated oil'20036,184,187'Phosphorus compounds and their use as corrosion inhibitors for perfluoropolyethers'20015,100,639'Process for purifying hydrogen fluoride'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2015Patents assigned to DU PONT (28)· patent assignee history
1992–2021Based in Bear, DE, US· patent location history
2009–2014Patents assigned to HOWELL JON LEE (11)· patent assignee history
2012–2014Patents assigned to LECK THOMAS J (7)· patent assignee history
2012–2014Patents assigned to MINOR BARBARA HAVILAND (7)· patent assignee history
2015–2021Patents assigned to CHEMOURS CO FC LLC (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT281992–2015
HOWELL JON LEEself112009–2014
CHEMOURS CO FC LLC82015–2021
LECK THOMAS J72012–2014
MINOR BARBARA HAVILAND72012–2014
Locations
LocationPatentsSpan
Bear, Delaware, US361992–2021