Patent · US Expired

Working material for construction or repair

US4898617A · kind A · utility

2Cited by
8References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 28, 1988
Grant dateFeb 6, 1990
Priority date
Expiry dateSep 28, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B1/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A working material for construction or repair comprising (A) a mixture of 0.5 to 30% by weight of (a-1) a hydroxide of a divalent or higher basic metal, 10 to 99% by weight of (a-2) an aggregate and 0.5 to 70% of (a-3) a bituminous substance, the total amount of these materials (a-1), (a-2) and (a-3) being 100% by weight, and covering the mixture (A), (C) oxidized rosin or a mixture of (C) oxidized rosin with (D) a compound containing more than one carboxy group per molecule on an average and/or (B) a liquid hydrocarbon or a vegetable oil.

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