Patent · US Expired

Expandable thermoplastic polymers containing organic boron-silicon compounds, and a process for their preparation

US5498640A · kind A · utility

12Cited by

0References

12Claims

0Family size

Assignee

BASF SE

Inventors

Michael Witt · Ludwigshafen, DE
Rolf Henn · Ketsch, DE

Key dates

Filing date	Feb 1, 1995
Grant date	Mar 12, 1996
Priority date	—
Expiry date	Feb 1, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2483/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Expandable thermoplastic polymers in particle form comprising a) at least one organic boron-silicon compound, b) at least one thermoplastic polymer and c) a blowing agent, a process for their preparation, and the foams produced using these expandable thermoplastic polymers.

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