Continuous feed of antistatic agent for gas phase polymerization process
US11820879B2 · kind B2 · utility
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18References
34Claims
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Key dates
| Filing date | Dec 27, 2019 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Apr 1, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/001
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods may include reacting an antistatic agent with at least one alkylaluminum to form an antistatic complex, and may further include feeding the antistatic complex into a polymerization process. Methods of using an antistatic agent in a polymerization process may include feeding the antistatic agent into the polymerization process and, subsequently, reacting the antistatic agent with at least one alkylaluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.