Upgrading Pyrolysis Carbon

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20240425759A1
SERIAL NO

18274021

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Abstract

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Methods are provided for upgrading of pyrolysis carbon in order to allow for conversion of the pyrolysis carbon into higher value products. Instead of attempting to convert methane into a high value carbon product (such as carbon nanotubes) and H2 in a single reaction step, pyrolysis conditions can be used to form H2 and pyrolysis carbon. The pyrolysis carbon can then be treated in order to convert the pyrolysis carbon (H to C atomic ratio of less than 0.20) into a product with a higher hydrogen content (H to C atomic ratio of 0.25-0.9 or 2.0-7.0 wt % H). The treatment can correspond to exposing the pyrolysis carbon with hydrogen in the presence of a catalyst, exposing the pyrolysis carbon to conditions for alkylation, or a sequential combination thereof. This can convert the pyrolysis carbon into heavy hydrocarbon products that are resin-like solids at room temperature.

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Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY1545 ROUTE 22 EAST P O BOX 900 ANNANDALE NJ 08801-0900

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bielenberg, James R Lebanon, US 21 116
Bosse, August W Pennington, US 4 0
Cao, Guang Princeton, US 80 821
Dankworth, David C Princeton, US 33 494
Raman, Sumathy Annandale, US 24 198
Siskin, Michael Westfield, US 129 1301

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