(19)
(11) EP 0 575 879 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.03.1994 Bulletin 1994/11

(43) Date of publication A2:
29.12.1993 Bulletin 1993/52

(21) Application number: 93109605.1

(22) Date of filing: 16.06.1993
(51) International Patent Classification (IPC)5G03C 1/74
(84) Designated Contracting States:
BE DE FR IT

(30) Priority: 24.06.1992 US 905354

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

(72) Inventor:
  • Hirshburg, Robert Ivan
    Hendersonville, North Carolina 28739 (US)

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


(56) References cited: : 
   
       


    (54) Pretreated substrate for slide bead coating


    (57) An apparatus and method for stabilizing slide coating bead edges in which a pair of liquid stripes is applied in advance of the coating bead. Each stripe is positioned to coalesce with a respective edge of the subsequent slide coating bead. Slide bead coating is employed in the manufacture of single- and multi-layered elements such as photographic film.





    Search report