(19)
(11) EP 0 753 054 A1

(12)

(43) Date of publication:
15.01.1997 Bulletin 1997/03

(21) Application number: 94916750.0

(22) Date of filing: 12.05.1994
(51) International Patent Classification (IPC): 
C12N 9/ 42( . )
C07K 14/ 415( . )
C12N 9/ 00( . )
C12N 15/ 82( . )
C12Q 1/ 68( . )
D21H 17/ 22( . )
C07H 21/ 04( . )
C07K 14/ 435( . )
C12N 9/ 64( . )
C12P 21/ 06( . )
D21C 1/ 00( . )
(86) International application number:
PCT/US1994/005286
(87) International publication number:
WO 1994/026878 (24.11.1994 Gazette 1994/26)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 12.05.1993 US 19930060944

(71) Applicant: THE PENN STATE RESEARCH FOUNDATION
University Park, PA 16802 (US)

(72) Inventors:
  • COSGROVE, Daniel J.
    Pennsylvania Furnace, PA 16865 (US)
  • McQUEEN-MASON, Simon
    State College, PA 16803 (US)

(74) Representative: Van Someren, Petronella F. H. M. 
Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1
2517 GK Den Haag
2517 GK Den Haag (NL)

   


(54) EXPANSINS, PROTEINS THAT CATALYZE PLANT CELL WALL EXPANSION AND WEAKENING OF PAPER FIBER CONNECTIONS