Negative working, peel developable, single sheet color...

Negative-acting no-process printing plates

Negative-working photoresist composition for use on a...

Negative-working radiation-sensitive compositions and...

Negative-working radiation-sensitive mixture and...

Negative-working radiation-sensitive mixture, and...

Negative-working, non-swelling resist

Negative-working, photopolymerizable color proofing film...

Neutralization layer formed of copolymer obtained from...

Neutralizing layer containing diatomaceous earth, exploded...

Neutralizing layer for color transfer assemblages containing...

Neutralizing-timing layer for color transfer assemblages...

New color photographic developer kit

New diazotype materials incorporating resorcinol...

New filmmaking technique

News projecting machine

Newsprint fibre based electrostatic copy paper

Nickel (ii) salts as charging adjuvants for electrostatic...

Night vision clearance light

Nitrate polymers as positive resists