Invention Grant
- Patent Title: Modified asphalts and methods for producing the same
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Application No.: US16694273Application Date: 2019-11-25
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Publication No.: US11377560B2Publication Date: 2022-07-05
- Inventor: Jonathan D. Webb , Nadjib Boussad , Katherine L. Sokol , Patrick Brant
- Applicant: ExxonMobil Technology and Engineering Company
- Applicant Address: US NJ Annandale
- Assignee: ExxonMobil Technology and Engineering Company
- Current Assignee: ExxonMobil Technology and Engineering Company
- Current Assignee Address: US NJ Annandale
- Agent Robert A. Migliorini
- Main IPC: C08L95/00
- IPC: C08L95/00 ; C08J3/00
Abstract:
Modified asphalts and methods for producing the same are disclosed. The modified asphalts can include asphalt having a T5 boiling point of 400° C. or more, an olefin compound, and an acid promoter. The modified asphalt can include at least a portion of the olefin compound chemically grafted to at least a portion of the asphalt. The method can include exposing the asphalt, olefin compound, and acid promoter to a temperature of about 160° C. or more.
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