Patent · US Active

Constrained-layer damping material

US9243402B2 · kind B2 · utility

3Cited by
9References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2011
Grant dateJan 26, 2016
Priority date
Expiry dateDec 15, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2555/82
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A constrained-layer damping material including a bitumen material, a binder material, and a tackifier, wherein the bitumen is a soft grade with a penetration of at least 150 dmm and a ring and ball softening point of greater than about 35° C.

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