(19)
(11) EP 0 725 802 A1

(12)

(43) Date of publication:
14.08.1996 Bulletin 1996/33

(21) Application number: 95901711.0

(22) Date of filing: 27.10.1994
(51) International Patent Classification (IPC): 
B29C 49/ 00( . )
C08F 8/ 42( . )
C08F 220/ 06( . )
C08J 5/ 18( . )
D01F 6/ 52( . )
 C08F 8/ 12( . )
C08F 8/ 44( . )
C08F 220/ 10( . )
C08L 23/ 26( . )
(86) International application number:
PCT/US1994/012366
(87) International publication number:
WO 1995/011929 (04.05.1995 Gazette 1995/19)
(84) Designated Contracting States:
AT BE DE DK FR GB IE IT LU NL SE

(30) Priority: 27.10.1993 US 19930143799
27.10.1993 US 19930144173

(71) Applicant: CHEVRON CHEMICAL COMPANY
San Ramon, CA 94583-0947 (US)

(72) Inventors:
  • WANG, James, H.
    Appleton, WI 54915 (US)
  • ROSENDALE, David
    Mauriceville, TX 77632 (US)
  • KURKOV, Victor, P.
    San Rafael, CA 94901 (US)
  • THEARD, Leslie, P.
    Houston, TX 77042 (US)
  • CHING, Ta, Yen
    Novato, CA 94945 (US)
  • COMPTON, Lewis, R.
    Orange, TX 77632 (US)
  • EICHELBERGER, Mitchell, P.
    Woodlands, TX 77381 (US)
  • PALMGREN, Tor, H., G.
    Orange, TX 77632 (US)

(74) Representative: Nash, David Allan 
Haseltine Lake & Co. 28 Southampton Buildings Chancery Lane
London WC2A 1AT
London WC2A 1AT (GB)

   


(54) LOW-HAZE IONOMERS OF COPOLYMERS OF ALPHA-OLEFINS, CARBOXYLIC ACID ESTERS, AND OPTIONAL COMONOMERS, AND PROCESSES FOR MAKING AND ACIDIFYING THESE IONOMERS