(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