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Inventor

Dmitri A. Kraptchetov

Inventor
Lansdale, PA, US

Overview

8→
Patents
2015–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds53%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
B01DSeparation13%
C02FTreatment of water, waste water, sewage, or sludge7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
10,703,704Process for in situ water removal from an oxidative esterification reaction using a coupled reactor-distillation system20209,969,672Oxidative esterification process20189,963,419Process for in situ water removal from an oxidative esterification reaction using a coupled reactor-distillation system20189,770,708'Oxidative esterification catalyst'20179,765,007'Dehydration process'20179,676,699'Preparation of methyl methacrylate via an oxidative esterification process'20179,162,964'Acrylate production process'20159,120,735'Method for preparing acrylic acid from propane and propylene'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2020Patents assigned to ROHM & HAAS (8)· patent assignee history
2015Patents assigned to KRAPTCHETOV DMITRI A (2)· patent assignee history
2015Patents assigned to CHALFANT DAVID (1)· patent assignee history
2015Patents assigned to DONNELLY TIMOTHY J (1)· patent assignee history
2015–2020Based in Lansdale, PA, US· patent location history
2017–2018Based in Collegeville, PA, US· patent location history
2018–2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM & HAAS82015–2020
DOW GLOBAL TECHNOLOGIES LLC22018–2020
KRAPTCHETOV DMITRI Aself22015
CHALFANT DAVID12015
DONNELLY TIMOTHY J12015
Locations
LocationPatentsSpan
Lansdale, Pennsylvania, US42015–2020
Collegeville, Pennsylvania, US42017–2018