Patent · US Active

Process for the controlled increase in the molecular weight of polyethylenes

US7579411B2 · kind B2 · utility

4Cited by

12References

1Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Michael Roth · Herbstein, DE
Rudolf Pfaendner · Rimbach, DE
Peter Nesvadba · Marly, CH
Marie-Odile Zink · Mulhouse, FR

Key dates

Filing date	Feb 12, 2008
Grant date	Aug 25, 2009
Priority date	—
Expiry date	Feb 12, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2666/06
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to hydroxylamine esters and polymerizable compositions comprising these hydroxylamine esters and an ethylenically unsaturated monomer or oligomer and methods for achieving a controlled increase in the molecular weight of polyethylene.

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