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1. (WO1998052749) POLYPROPYLENE/POLYSTYRENE MULTILAYER FILM STRUCTURES
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1998/052749 International Application No.: PCT/US1998/010432
Publication Date: 26.11.1998 International Filing Date: 21.05.1998
Chapter 2 Demand Filed: 08.12.1998
IPC:
B32B 27/28 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27
Layered products essentially comprising synthetic resin
28
comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Applicants: REGNIER, François, J., F.[FR/FR]; FR (UsOnly)
THE DOW CHEMICAL COMPANY[US/US]; 2030 Dow Center Midland, MI 48674, US (AllExceptUS)
Inventors: REGNIER, François, J., F.; FR
Agent: MIXAN, Craig, E.; The Dow Chemical Company Patent Dept. P.O. Box 1967 Midland, MI 48641-1967, US
Priority Data:
9710633.022.05.1997GB
Title (EN) POLYPROPYLENE/POLYSTYRENE MULTILAYER FILM STRUCTURES
(FR) STRUCTURES DE FILM MULTICOUCHES EN POLYPROPYLENE/POLYSTYRENE
Abstract:
(EN) An oriented co-extruded film suitable for use as a window film for mailing envelopes, having a polyolefin layer and a non-glossy surface layer of polystyrene.
(FR) L'invention concerne un film co-extrudé orienté convenant pour servir de film pour fenêtre d'enveloppes de correspondance, qui comporte une couche en polyoléfine et une couche de surface non brillante en polystyrène.
Designated States: CA, FI, JP, KR, MX, US
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)