Patent · US Expired

Bitumen emulsion, process of producing a bitumen emulsion and process of producing a bituminous material for the construction or maintenance of pavements

US6106604A · kind A · utility

6Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1998
Grant dateAug 22, 2000
Priority date
Expiry dateMar 9, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L95/005
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Bitumen emulsion including bituminous phase having one of pure bitumen, fluxed bitumen, and modified bitumen. The bitumen emulsion also includes an aqueous phase including water and an emulsifying agent. The bitumen emulsion further includes a breaking agent encapsulated in capsules allowing control of breaking of the bitumen emulsion, the control involving rupture of the capsules from a mechanical effect by a mechanical action produced on the bitumen emulsion. Processes of producing a bitumen emulsion. Processes of controlling breaking of a bituminous emulsion.

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