(19)
(11) EP 0 548 284 A1

(12)

(43) Date of publication:
30.06.1993 Bulletin 1993/26

(21) Application number: 91919263.0

(22) Date of filing: 04.09.1991
(51) International Patent Classification (IPC): 
B29C 47/ 00( . )
A61L 15/ 62( . )
C08G 63/ 08( . )
C08J 5/ 18( . )
C08L 53/ 00( . )
C08L 67/ 00( . )
C08L 101/ 16( . )
C09J 167/ 04( . )
B29K 67/ 00( . )
A61L 15/ 26( . )
B29C 55/ 28( . )
C08J 3/ 20( . )
C08K 5/ 101( . )
C08L 57/ 00( . )
C08L 67/ 04( . )
C09D 167/ 04( . )
D21H 17/ 53( . )
C08L 67/ 02( . )
(86) International application number:
PCT/US1991/006327
(87) International publication number:
WO 1992/004413 (19.03.1992 Gazette 1992/07)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 06.09.1990 US 19900579000
06.09.1990 US 19900579005
06.09.1990 US 19900579460
06.09.1990 US 19900579465

(71) Applicant: BIOPAK TECHNOLOGY LTD
Golden, CO 80402 (US)

(72) Inventors:
  • SINCLAIR, Richard, G.
    Columbus, OH 43220 (US)
  • PRESTON, Joseph, R.
    Radnor, OH 43066 (US)

(74) Representative: Thomas, Roger Tamlyn 
D. Young & Co. 21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) PACKAGING THERMOPLASTICS FROM LACTIC ACID