| (19) |
 |
|
(11) |
EP 0 101 797 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
12.12.1984 Bulletin 1984/50 |
| (43) |
Date of publication A2: |
|
07.03.1984 Bulletin 1984/10 |
| (22) |
Date of filing: 01.06.1983 |
|
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB IT LU NL |
| (30) |
Priority: |
20.08.1982 US 409918
|
| (71) |
Applicant: MARKEM CORPORATION |
|
() |
|
| (72) |
Inventors: |
|
- Puleo, Joseph, Jr.
()
- Archambault, Jean-Paul Charles
()
|
|
| |
|
| (54) |
Radiation imagable compositions |
(57) A radiation imagable composition in which an image can be produced upon exposure
to intense radiation is disclosed which comprises (a) at least one component selected
from the group consisting of clay and barium sulfate, and (b) a binder material which
will not be destroyed during exposure of the composition to intense radiation and
will not mask the image produced upon exposure to intense radiation.