Patent · US Expired

Halobutyl of improved green strength

US4256857A · kind A · utility

19Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1979
Grant dateMar 17, 1981
Priority date
Expiry dateMay 9, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T152/10243
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Bromobutyl rubber compounds of improved green strength are prepared by reacting bromobutyl rubber with selected amine compounds such that not less than about 1/100th and not more than 1/12th of the bromine in the bromobutyl is reacted with the amine compound.

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