Patent · US Active

Precipitated silica and process for its manufacture

US11554963B2 · kind B2 · utility

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19Claims
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Assignee

Inventors

Key dates

Filing dateMay 3, 2018
Grant dateJan 17, 2023
Priority date—
Expiry dateAug 1, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/21
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A precipitated silica characterised by the presence of specific acid sites on its surface and a process for its manufacture.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.