Patent · US Expired

Hot-melt pressure sensitive adhesive compound

US4284541A · kind A · utility

38Cited by
1References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1979
Grant dateAug 18, 1981
Priority date
Expiry dateNov 13, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2666/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A hot-melt compound comprising 30 to 70% by weight of a modified ethylene..alpha.-olefin copolymer rubber having a melt index of at most 500 and prepared by grafting an unsaturated carboxylic acid or derivative thereof to an ethylene..alpha.-olefin copolymer rubber or a partial ester of said modified copolymer rubber and 70 to 30% by weight of a tackifier.

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