Patent · US Active

Coextrusion paper coating method forming multilayer comprising biodegradable polyester and polylactic acid

US9844797B2 · kind B2 · utility

1Cited by

27References

10Claims

0Family size

Assignee

BASF SE

Inventors

Gabriel Skupin · Speyer, DE
Robert Loos · Ludwigshafen, DE
Andreas Füßl · Kressbronn am Bodensee, DE
Kimmo Nevalainien · Kotka, FI

Key dates

Filing date	Sep 24, 2015
Grant date	Dec 19, 2017
Priority date	—
Expiry date	Sep 24, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L67/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a process for coating paper, wherein the coating material used is a biodegradable, aliphatic-aromatic polyester having a melt volume rate (MVR) according to EN ISO 1133 (190° C., 2.16 kg weight) of from 3 to 50 cm3/10 min.

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