(19)
(11) EP 0 900 189 A1

(12)

(43) Date of publication:
10.03.1999 Bulletin 1999/10

(21) Application number: 97920075.0

(22) Date of filing: 10.04.1997
(51) International Patent Classification (IPC): 
C07C 37/ 48( . )
C07C 41/ 16( . )
C07C 45/ 67( . )
C07C 69/ 017( . )
C07C 39/ 19( . )
C07C 45/ 40( . )
C07C 67/ 293( . )
(86) International application number:
PCT/US1997/005503
(87) International publication number:
WO 1997/040004 (30.10.1997 Gazette 1997/46)
(84) Designated Contracting States:
DE FR GB IE IT

(30) Priority: 23.04.1996 US 19960635865
25.06.1996 US 19960670127

(71) Applicant: HENKEL CORPORATION
Plymouth Meeting, PA 19462 (US)

(72) Inventor:
  • KRBECHEK, Leroy
    Santa Rosa, CA 95404 (US)

(74) Representative: von Kreisler, Alek, Dipl.-Chem., et al 
Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41
50462 Köln
50462 Köln (DE)

   


(54) 2-HYDROXY-5-ALKYL-BETA-METHYLSTYRENE AND PROCESS OF PREPARING HYDROXYARYLALDEHYDES THEREFROM