Title:
METHOD FOR PRODUCING PETROLEUM-BASED HIGH-SOFTENING-POINT PITCH
Document Type and Number:
WIPO Patent Application WO/2024/071623
Kind Code:
A1
Abstract:
A method for producing a petroleum-based high-softening-point pitch, according to the present invention, may comprise: a step of preparing a mixed raw material by mixing petroleum-based residue with an asphaltene extract; an oxidation heat treatment step of charging the mixed raw material with an oxidizing gas and heating same; and a vacuum heat treatment step of heating a resultant obtained in the oxidation heat treatment step under a vacuum condition, wherein the asphaltene extract may comprise 30-100 wt% of an asphaltene component with respect to 100 wt% of the total weight thereof, and the high-softening-point pitch may have a softening point of 150-300 °C.
Inventors:
LEE HYUNCHUL (KR)
KWON HANSOL (KR)
SONG YOUNGSEOK (KR)
LEE JOOHYUNG (KR)
KWON HANSOL (KR)
SONG YOUNGSEOK (KR)
LEE JOOHYUNG (KR)
Application Number:
PCT/KR2023/010872
Publication Date:
April 04, 2024
Filing Date:
July 26, 2023
Export Citation:
Assignee:
OCI CO LTD (KR)
International Classes:
C10C3/00; C10C3/04; C10C3/06; H01M4/02; H01M4/583
Foreign References:
| KR20210012074A | 2021-02-03 | |||
| US2850436A | 1958-09-02 | |||
| KR20220105211A | 2022-07-27 | |||
| KR20160136483A | 2016-11-30 | |||
| KR20180051078A | 2018-05-16 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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