(19)
(11) EP 0 496 737 A1

(12)

(43) Date of publication:
05.08.1992 Bulletin 1992/32

(21) Application number: 90913342.0

(22) Date of filing: 01.08.1990
(51) International Patent Classification (IPC): 
C08G 63/ 16( . )
C08G 64/ 18( . )
C08G 63/ 60( . )
C08G 81/ 00( . )
(86) International application number:
PCT/US1990/004318
(87) International publication number:
WO 1991/002015 (21.02.1991 Gazette 1991/05)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 10.08.1989 US 19890391864

(71) Applicant: THE PENNSYLVANIA RESEARCH CORPORATION
University Park, PA 16802 (US)

(72) Inventors:
  • GORDON, Bernard
    State College, PA 16803 (US)
  • SHARMA, Prabodh
    State College, PA 16801 (US)

(74) Representative: Findlay, Alice Rosemary, et al 
Lloyd Wise, Tregear & Co. Norman House 105-109 Strand
London WC2R 0AE
London WC2R 0AE (GB)

   


(54) HYDRODEGRADABLE POLYESTERS