Patent · US Expired

Asphalt-block copolymer articles and method for the preparation thereof

US4585816A · kind A · utility

17Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1985
Grant dateApr 29, 1986
Priority date
Expiry dateJul 2, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J3/005
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Block copolymers of the AB(BA).sub.n configuration are employed in the preparation of asphalt blend concentrates. Advantageously asphalt is blended with polymer solution from polymerization reactor and subsequently devolatilized.

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