Patent · US Expired

Expandable compositions and methods of making and using the compositions

US7247657B2 · kind B2 · utility

4Cited by
27References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 2004
Grant dateJul 24, 2007
Priority date
Expiry dateOct 13, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24273
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A novel expandable composition and method for using the same are disclosed. The disclosed method relates to using the composition, for example, as an automotive cavity sealant. The inventive composition normally is a combination of at least one base polymer, at least one expansion or blowing agents, at least one hydrocarbon resin, at least one curing agent or catalyst and optionally at least one additives such as a supplemental polymer, colorant, tackifier, processing oil, among others.

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