Inventor
Ashfaq Shahanawaz Shaikh
Inventor
Kingsport, TN, US
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds35%
B01DSeparation17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
Y02PClimate change mitigation technologies in the production or processing of goods11%
C07CAcyclic or carbocyclic compounds7%
C07BGeneral methods of organic chemistry6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C10GCracking hydrocarbon oils2%
F01KSteam engine plants2%
B01FMixing, e.g. dissolving, emulsifying or dispersing1%
PatentTitleYear
11,027,263Furan-2,5-dicarboxylic acid purge process202111,027,219Furan-2, 5-dicarboxylic acid purge process202110,954,207Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant202110,882,032Furan-2,5-dicarboxylic acid purge process202110,723,712Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant202010,702,793Supersonic treatment of vapor streams for separation and drying of hydrocarbon gases202010,695,755Furan-2,5-dicarboxylic acid purge process202010,611,743Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zone202010,526,301Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant202010,436,506Supersonic separation of hydrocarbons201910,421,736Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant201910,406,454Furan-2,5-dicarboxylic acid purge process201910,350,584Furan-2,5-dicarboxylic acid purge process201910,011,579Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation201810,010,812Furan-2,5-dicarboxylic acid purge process20189,944,615Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zone20189,943,834Furan-2,5-dicarboxylic acid purge process20189,849,434Methods and apparatus for enhanced gas distribution20179,676,740'Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation'20179,604,202'Furan-2,5-dicarboxylic acid purge process'20179,573,120'Furan-2,5-dicarboxylic acid purge process'20179,504,994'Furan-2,5-dicarboxylic acid purge process'20169,458,122'Process for purifying crude furan 2,5-dicarboxylic acid using hydrogenation'20169,428,480'Oxidation process to produce a crude and/or purified carboxylic acid product'20169,382,184'Processes for producing terephthalic acid'20169,266,850'Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation'20169,249,118'Purifying crude furan 2,5-dicarboxylic acid by hydrogenation'20169,212,121'Processes for producing terephthalic acid'20159,206,149'Oxidation process to produce a crude dry carboxylic acid product'20159,199,958'Oxidation process to produce a crude and/or purified carboxylic acid product'20159,199,906'Processes for producing isophthalic acid'20159,029,581'Esterification of furan-2,5-dicarboxylic acid to a dialkyl-furan-2,5-dicarboxylate vapor with rectification'20159,029,580'Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation'20158,968,686'Oxidation system with sidedraw secondary reactor'20158,969,404'Purifying crude furan 2,5-dicarboxylic acid by hydrogenation'20158,940,255'Oxidation system with sidedraw secondary reactor'20158,936,767'Oxidation system with sidedraw secondary reactor'20158,916,720'Process for producing dry purified furan-2,5-dicarboxylic acid with oxidation off-gas treatment'20148,916,719'Process for producing dry purified furan-2,5-dicarboxylic acid with oxidation off-gas treatment'20148,859,788'Esterification of furan-2,5-dicarboxylic acid to a dialkyl-furan-2,5-dicarboxylate vapor with rectification'20148,846,960'Oxidation process to produce a crude and/or purified carboxylic acid product'20148,809,556'Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation'20148,796,477'Oxidation process to produce a crude and/or purified carboxylic acid product'20148,791,278'Oxidation process to produce a crude and/or purified carboxylic acid product'20148,790,601'Oxidation system with sidedraw secondary reactor'20148,791,277'Oxidation process to produce a crude and/or purified carboxylic acid product'20148,772,513'Oxidation process to produce a crude dry carboxylic acid product'20148,748,479'Process for purifying crude furan 2,5-dicarboxylic acid using hydrogenation'20148,541,616'Addition of a methyl hydrogen terephthalate reactor to a dimethyl terephthalate process'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2021Patents assigned to EASTMAN CHEM CO (44)· patent assignee history
2013–2017Patents assigned to SHAIKH ASHFAQ (11)· patent assignee history
2013–2021Based in Kingsport, TN, US· patent location history
2014Patents assigned to JANKA MESFIN EJERSSA (6)· patent assignee history
2014Patents assigned to PARKER KENNY RANDOLPH (6)· patent assignee history
2014Patents assigned to PARTIN LEE REYNOLDS (6)· patent assignee history
2020–2021Based in Everett, MA, US· patent location history
2021Based in Stoneham, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN CHEM CO | 44 | 2013–2021 |
| SHAIKH ASHFAQself | 11 | 2013–2017 |
| JANKA MESFIN EJERSSA | 6 | 2014 |
| PARKER KENNY RANDOLPH | 6 | 2014 |
| PARTIN LEE REYNOLDS | 6 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingsport, TN, US | 45 | 2013–2021 |
| Everett, Massachusetts, US | 3 | 2020–2021 |
| Stoneham, Massachusetts, US | 1 | 2021 |