(19)
(11)
EP 0 662 107 A1
(12)
(43)
Date of publication:
12.07.1995
Bulletin 1995/28
(21)
Application number:
93921600.0
(22)
Date of filing:
15.09.1993
(51)
International Patent Classification (IPC):
C08J
5/
18
( . )
C08K
5/
00
( . )
C09D
167/
04
( . )
C08K
3/
00
( . )
C08L
67/
04
( . )
(86)
International application number:
PCT/US1993/008717
(87)
International publication number:
WO 1994/006866
(
31.03.1994
Gazette 1994/08)
(84)
Designated Contracting States:
AT BE CH DE DK FR GB IE IT LI NL SE
(30)
Priority:
22.09.1992
US 19920949675
(71)
Applicant:
BioPak Technology, Ltd.
Colorado 80403 (US)
(72)
Inventors:
SINCLAIR, Richard, G.
Columbus, OH 43220 (US)
LIPINSKY, Edward, S.
Worthington, OH 43058 (US)
LITCHFIELD, John, H.
Worthington, OH 43085 (US)
ALLEN, Billy, R.
Greenwood, IN 46143 (US)
(74)
Representative:
Harding, Charles Thomas
D. Young & Co. 21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)
(54)
DEGRADATION CONTROL OF ENVIRONMENTALLY DEGRADABLE DISPOSABLE MATERIALS