Inventor
James Edward Elder
Inventor
Houston, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds35%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry26%
B01DSeparation9%
A01KAnimal husbandry4%
B01LChemical or physical laboratory apparatus for general use4%
F23GCremation furnaces4%
F23MCasings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges4%
F23NRegulating or controlling combustion4%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
10,829,435Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst202010,479,751Process for preparing acrylic acid20198,044,238'Method for production of purified (meth)acrylic acid'20118,044,237'Method for production of aqueous (meth)acrylic acid'20118,002,047'Method and apparatus for deflagration pressure attenuation'20117,723,541'Process for manufacturing high purity methacrylic acid'20107,435,905'Electrical conduit body'20086,639,106'Process for preparing and purifying acrylic acid from propylene having improved capacity'20036,620,968'High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids'20036,499,412'Method of firebox temperature control for achieving carbon monoxide emission compliance in industrial furnaces with minimal energy consumption'20026,384,274'Single reactor process for preparing acrylic acid from propylene having improved capacity'20024,338,885'Cattle head holder'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2008Patents assigned to ELDER JAMES E (2)· patent assignee history
1982Patents assigned to VLIET JASPER A VAN (1)· patent assignee history
1982Based in Modesto, CA, US· patent location history
2002–2020Patents assigned to ROHM & HAAS (9)· patent assignee history
2002–2011Based in Houston, TX, US· patent location history
2008Based in Geneva, FL, US· patent location history
2019Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2019–2020Based in Friendswood, TX, US· patent location history
2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS | 9 | 2002–2020 |
| ELDER JAMES Eself | 2 | 1982–2008 |
| DOW GLOBAL TECHNOLOGIES LLC | 1 | 2020 |
| EVONIK DEGUSSA GMBH | 1 | 2019 |
| VLIET JASPER A VAN | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 8 | 2002–2011 |
| Friendswood, Texas, US | 2 | 2019–2020 |
| Geneva, Florida, US | 1 | 2008 |
| Modesto, California, US | 1 | 1982 |