| (19) |
 |
|
(11) |
EP 0 993 964 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
22.11.2000 Bulletin 2000/47 |
| (43) |
Date of publication A2: |
|
19.04.2000 Bulletin 2000/16 |
| (22) |
Date of filing: 15.10.1999 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
16.10.1998 US 104581 P
|
| (71) |
Applicant: MARKEM CORPORATION |
|
Keene New Hampshire 03431 (US) |
|
| (72) |
Inventors: |
|
- Meneghini, Frank A.
Harrisville, New Hampshire 03450 (US)
- Secord, Michael P.
New Hampshire 03470 (US)
- Woudenberg, Richard C.
Marlborough, New Hampshire 03455 (US)
|
| (74) |
Representative: Lucking, David John et al |
|
FORRESTER & BOEHMERT Franz-Joseph-Strasse 38
80801 München
80801 München (DE) |
|
| |
|
| (54) |
Coatings for marking by laser |
(57) A radiation sensitive marking coating, preferably a clear, colourless coating, has
a resin, and an activatable dye system which may be activated by radiation, for marking
a substrate such as a beverage can.