Plastic concentrate for photographic support material coatings

Details Plastic concentrate for photographic support material coatings Plastic concentrate for photographic support material coatings

1989-12-11

1991-09-17

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524413, 524585, 524586, 524587, C08J 320

Patent

active

050495950

ABSTRACT:
A plastic concentrate containing a pigment and/or filler for the production of a polyolefin coating compound for photographic support materials produced by means of a double screw extruder with degassing.

REFERENCES:
patent: 4734450 (1988-03-01), Kawai et al.
patent: 4758396 (1988-07-01), Crass et al.
patent: 4801509 (1989-01-01), Uno et al.
patent: 4868226 (1989-09-01), Mitsumo et al.
patent: 4891392 (1990-01-01), Abe et al.
patent: 4895688 (1990-01-01), Shigetani et al.

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