Pressure sensitive copying paper

Details Pressure sensitive copying paper Pressure sensitive copying paper

1971-12-15

1976-12-14

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

427151, C07D49310

Patent

active

039975614

ABSTRACT:
An excellent pressure sensitive copying paper is provided by applying as a color former certain encapsulated 6-di lower alkyl amino-naphthalfluoran compounds to either a single sheet or to the upper leaf of a pressure sensitive paper. The color former is soluble in aromatic solvents and also has excellent light fastness.

REFERENCES:
patent: 2031023 (1936-02-01), Wyler
patent: 3442908 (1969-05-01), Orita et al.
patent: 3506471 (1970-04-01), Kimura et al.
patent: 3514311 (1970-05-01), Katayama et al.
patent: 3649649 (1972-03-01), Orita et al.
patent: 3691203 (1972-09-01), Koga et al.
Chemical Abstracts, vol. 24 (1930) p. 37808.

Affiliated with

Also associated with

Rating

Pressure sensitive copying paper does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure sensitive copying paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure sensitive copying paper will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1344437