Inventor

John A. Sofranko

Inventor
West Chester, PA, US

Overview

70→
Patents
1984–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 70 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
Y02PClimate change mitigation technologies in the production or processing of goods9%
C01BNon-metallic elements1%
C07DHeterocyclic compounds1%
C10GCracking hydrocarbon oils1%
C10LFuels not otherwise provided for1%
C08JWorking-up1%
F02BInternal-combustion piston engines1%
PatentTitleYear
11,123,714Stabilized oxyborates and their use for oxidative conversion of hydrocarbons202111,104,625Oxidative conversion of hydrocarbons using sulfur oxides as oxygen carriers202111,046,626Methods and systems for oxidative dehydrogenation of hydrocarbons to olefins202111,046,625Reactor for oxidative conversion of hydrocarbon feeds202111,046,892Oxidative cracking of hydrocarbons202111,021,420Oxygen transfer agent conditioning systems and methods202110,968,149Enhanced oxygen transfer agent systems for oxidative dehydrogenation of hydrocarbons202110,919,027Stabilized oxyborates and their use for oxidative conversion of hydrocarbons202110,710,040Systems for promoting endothermic conversions with oxygen transfer agents202010,604,460Oxidative cocracking of hydrocarbons to olefins202010,322,392Systems for promoting endothermic conversions with oxygen transfer agents201910,138,182Oxygen transfer agents for the oxidative dehydrogenation of hydrocarbons and systems and processes using the same20185,258,049'Diesel fuel composition'19935,210,336'Oxidation of olefin to glycol'19935,198,590'Hydrocarbon conversion'19935,192,809'Process for reclaiming a thermoset polymer'19935,171,921'Production of olefins'19925,146,034'Conversion of paraffins to olefins'19925,126,480'Isocyanate preparation'19925,107,001'Propylene oxide production'19925,107,042'Preparation of olefins using selectively protonated zeolite'19925,091,163'Partially protonated sodium-ZSM-5 method of making'19925,026,935'Enhanced production of ethylene from higher hydrocarbons'19915,026,936'Enhanced production of propylene from higher hydrocarbons'19914,988,830'Propylene oxide production'19914,912,081'Boron-promoted reducible metal oxides'19904,879,427'Methane conversion'19894,861,936'Boron-promoted reducible metal oxides and methods of their use'19894,795,849'Methane conversion process'19894,795,842'Methane conversion process'19894,788,376'Process for producing higher hydrocarbons from lower olefins'19884,777,313'Boron-promoted reducible metal oxides and methods of their use'19884,774,380'Alkali promoted manganese oxide compositions containing zirconium'19884,769,508'Alkali promoted manganese oxide compositions containing titanium'19884,737,595'Hydrocarbon dehydrogenation'19884,728,636'Hydroxylated magnesia support'19884,670,619'Methane conversion process'19874,665,260'Methane conversion'19874,654,459'Alkali promoted manganese oxide compositions containing barium carbonate'19874,650,781'Alkali promoted manganese oxide compositions containing zirconium'19874,634,802'Hydrocarbon dehydrogenation'19874,634,800'Methane conversion process'19874,629,718'Alkali promoted manganese oxide compositions containing silica and/or alkaline earth oxides'19864,567,307'Two-step methane conversion process'19864,560,821'Methane conversion'19854,554,395'Methane conversion'19854,547,607'Methane conversion process'19854,547,610'Methane conversion'19854,547,611'Methane conversion'19854,544,785'Methane conversion'19854,544,784'Methane conversion'19854,523,050'Methane conversion process'19854,523,049'Methane conversion process'19854,517,398'Hydroxylated magnesia support'19854,499,322'Methane conversion'19854,495,374'Methane conversion'19854,468,523'Synthesis of dialkyl oxalates by the heterogeneously catalyzed oxidative carbonylation of alcohols'19844,454,342'Preparation of dialkyl oxalates using a heterogeneous Pd-V-P catalyst for the oxidative carbonylation of alcohols'19844,451,666'Synthesis of oxalate esters by the oxidative carbonylation of alcohols with a heterogeneous manganese promoted Pd-V-P catalyst'19844,450,293'Preparation of .alpha.-hydroxyisobutyric acid using a thallic halide catalyst'19844,448,985'Oxidation of isobutyric acid to alpha-hydroxyisobutyric acid'19844,447,638'Preparation of dialkyl oxalates by the oxidative carbonylation of alcohols with a heterogeneous Pd-V-P-Ti containing catalyst system'19844,447,639'Oxidative carbonylation of alcohols to dialkyl oxalates using a heterogeneous iron promoted Pd-V-P catalyst'19844,444,984'Methane conversion'19844,443,645'Methane conversion'19844,443,646'Methane conversion'19844,443,644'Methane conversion'19844,443,648'Methane conversion'19844,443,647'Methane conversion'19844,443,649'Methane conversion'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1990Patents assigned to ATLANTIC RICHFIELD CO (45)· patent assignee history
1984–1993Based in West Chester, PA, US· patent location history
1985–1990Based in Malvern, PA, US· patent location history
1991–1993Patents assigned to ARCO CHEM TECH (13)· patent assignee history
2018–2021Patents assigned to BIO2ELECTRIC LLC (8)· patent assignee history
2018Patents assigned to UNIV NORTH CAROLINA STATE (1)· patent assignee history
2018–2020Based in Princeton, NJ, US· patent location history
2020–2021Patents assigned to ECOCATALYTIC INC (8)· patent assignee history
2020Based in Monmouth Junction, NJ, US· patent location history
2021Based in Weston, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATLANTIC RICHFIELD CO451984–1990
ARCO CHEM TECH131991–1993
BIO2ELECTRIC LLC82018–2021
ECOCATALYTIC INC82020–2021
UNIV NORTH CAROLINA STATE12018
Locations
LocationPatentsSpan
West Chester, Pennsylvania, US351984–1993
Malvern, Pennsylvania, US231985–1990
Weston, Massachusetts, US82021
Princeton, New Jersey, US32018–2020
Monmouth Junction, New Jersey, US12020