(19)
(11) EP 0 614 345 A1

(12)

(43) Date of publication:
14.09.1994 Bulletin 1994/37

(21) Application number: 93900646.0

(22) Date of filing: 25.11.1992
(51) International Patent Classification (IPC): 
A61F 2/ 06( . )
A61F 2/ 04( . )
A61L 27/ 24( . )
A61L 31/ 00( . )
A61F 2/ 00( . )
A61F 2/ 02( . )
A61L 27/ 22( . )
A61L 27/ 36( . )
A61L 31/ 04( . )
(86) International application number:
PCT/US1992/010165
(87) International publication number:
WO 1993/010722 (10.06.1993 Gazette 1993/14)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 26.11.1991 US 19910799517

(71) Applicant: RESEARCH DEVELOPMENT FOUNDATION
Carson City Nevada 89703 (US)

(72) Inventors:
  • SHENAQ, Saleh, M.
    Houston, TX 77098 (US)
  • GRAY, Kathy, Jo
    Houston, TX 77098 (US)

(74) Representative: Wilkinson, Stephen John, et al 
Stevens, Hewlett & Perkins 1 St. Augustine's Place
Bristol BS1 4UD
Bristol BS1 4UD (GB)

   


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