CELLULOSIC PULP BONDED BY POLYHYDROXY ACID RESINS - Patent 0550490

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(11)

EP 0 550 490 A1

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(43)	Date of publication:
	14.07.1993 Bulletin 1993/28

(21)	Application number: 91916153.0

(22)	Date of filing: 13.09.1991

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International Patent Classification (IPC):

A61F 13/ 15^{( . )}
A61F 13/ 53^{( . )}
A61L 15/ 26^{( . )}
B65D 1/ 00^{( . )}
B65D 85/ 50^{( . )}
D21H 13/ 24^{( . )}

A61F 13/ 49^{( . )}
A61F 13/ 551^{( . )}
A61L 15/ 60^{( . )}
B65D 65/ 02^{( . )}
C08L 101/ 16^{( . )}
D21H 17/ 53^{( . )}

(86)	International application number:
	PCT/US1991/006481

(87)	International publication number:
	WO 1992/005311 (02.04.1992 Gazette 1992/08)

(84)	Designated Contracting States:
	CH DE FR GB LI

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Priority:

26.09.1990 US 19900588412

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	Wilmington Delaware 19898 (US)

(72)	Inventors:
	BELLIS, Harold, Edward Wilmington, De 19808 (US) DRYSDALE, Neville, Everton Newark, DE 19702 (US) EVERS, Glenn, Richard Wilmington, DE 19808 (US)

(74)	Representative: Woodcraft, David Charles, et al
	BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)

(54)	CELLULOSIC PULP BONDED BY POLYHYDROXY ACID RESINS