公开(公告)号：US3725066A

公开(公告)日：1973-04-03

申请号：US3725066D

申请日：1970-08-31

Applicant: MITA INDUSTRIAL CO LTD

Inventor： NIHYAKUMEN K ,  AIZAWA T ,  UEDA Y ,  KAMEZAWA Y ,  KOUCHI T ,  YOKOYAMA T

IPC: G03C5/18 ,  G03C1/58 ,  G03C7/46 ,  G03C5/34

CPC classification number: G03C7/46 ,  G03C1/58

Abstract: A COLORING MATERIAL IN USE FOR THE DIAZO-TYPE MULTICOLOR REPRODUCTION WHICH COMPRISES A THERMOVOLATILE OR THERMOSUBLIMATIVE ACID ADDITION SALT OF A THERMOVOLATILE OR THERMOSUBLIMATIVE AZO COUPLING COMPONENT HAVING AN AMINO GROUP, AND A DIAZO-TYPE MULTICOLOR REPRODUCTION PROCESS USING SUCH COLORING MATERIAL.

公开(公告)号：US3769013A

公开(公告)日：1973-10-30

申请号：US3769013D

申请日：1971-07-02

Applicant: MITA INDUSTRIAL CO LTD

Inventor： YOKOYAMA T

IPC: C07D209/88 ,  C09B1/20 ,  G03C1/58 ,  G03C5/34

CPC classification number: C07D209/88 ,  C09B1/205 ,  G03C1/58

Abstract: A wet type developer for use in diazo-type copying consisting essentially of A. 0.2 TO 5.0 PERCENT BY WEIGHT OF AN AZO COUPLING COMPONENT; B. 0.5 TO 10.0 PERCENT BY WEIGHT OF AN ALKALI AGENT; C. 0 TO 20.0 PERCENT BY WEIGHT OF A REDUCING AGENT; D. 0 TO 0.5% BY WEIGHT OF SURFACE ACTIVE AGENT; AND E. THE BALANCE BEING WATER, THE AZO COUPLING COMPONENT BEING A COMPOUND OF THE FORMULA

WHEREIN Z4 is (a) an arylene group, (b) an arylene group

substituted by SO3H, COOH, SO3M, COOM, alkoxy, halogen or

alkyl group, or (c)

WHEREIN Z2 is I. A HYDROXY ARYL GROUP, II. A HYDROXY ARYL GROUP SUBSTITUTED BY A SO3H, COOH, SO3M, COOM, alkoxy, halogen, sulphonamide, or an alkoxycarbonyl group, wherein M is an alkali metal or ammonium, or III. A GROUP REPRESENTED BY THE FORMULA

WHEREIN Y is -O-, -SO2-, or -NH-, and M is as defined abov

each of Z1 and Z5 is

I'' A HYDROXY ARYL GROUP, OR

II''. A HYDROXY ARYL GROUP SUBSTITUTED BY SO3H, COOH, SO3M,

COOM, alkoxy, halogen, sulphonamide, or an alkoxy-carbonyl

group, wherein M is as defined above; and Z3 is a hydroxy

alkyl group, a hydroxy aryl group, or a hydroxy aryl group

substituted by SO3H, COOH, SO3M, COOM, alkoxy, halogen,

sulphonamide, or an alkoxycarbonyl group, wherein M

WHEREIN Z4 is (a) an arylene group, (b) an arylene group substituted by SO3H, COOH, SO3M, COOM, alkoxy, halogen or an alkyl group, or (c)

WHEREIN Y is -O-, -SO2-, or -NH-, and M is as defined above; each of Z1 and Z5 is I'' A HYDROXY ARYL GROUP, OR II''. A HYDROXY ARYL GROUP SUBSTITUTED BY SO3H, COOH, SO3M, COOM, alkoxy, halogen, sulphonamide, or an alkoxy-carbonyl group, wherein M is as defined above; and Z3 is a hydroxy alkyl group, a hydroxy aryl group, or a hydroxy aryl group substituted by SO3H, COOH, SO3M, COOM, alkoxy, halogen, sulphonamide, or an alkoxycarbonyl group, wherein M

公开(公告)号：US3715213A

公开(公告)日：1973-02-06

申请号：US3715213D

申请日：1970-02-17

Applicant: MITA INDUSTRIAL CO LTD

Inventor： AIZAWA T ,  UEDA Y ,  KAMEZAWA Y ,  NIHYAKUMEN K ,  YOKOYAMA T

IPC: G03C1/52 ,  G03C1/58 ,  G03C5/18

CPC classification number: G03C1/58 ,  G03C1/52

Abstract: A PROCESS FOR THE DIAZO-TYPE MULTICOLOR REPRODUCTION BY WHICH PORTIONS OF A SENSITIVE PAPER CORRESPONDING TO PREDETERMINED PORTIONS OF AN ORIGINAL CAN BE SELECTIVELY COLORED TO DIFFERENT HUES BY DISPOSING A LAYER OF THERMOTRANSFERABLE COUPLER BETWEEN AN ORIGINAL AND DIAZO-PHOTOSENSITIVE PAPER FOLLOWED BY EXPOSURE TO LIGHT AND HEATING OF THE ASSEMBLY. THE LAYER OF THERMOTRANSFERABLE COUPLER IS NOT APPLIED TO THE ENTIRE IMAGE AREA OF THE ORIGINAL AND THE THERMOTRANSFERABLE COUPLER IS FASTER IN COUPLING RATE WITH THE DIAZONIUM SALT UNDER THE DEVELOPMENT CONDITIONS THAN THE BASIC COLOR COUPLER OF THE PHOTOSENSITIVE PAPER OR DEVELOPING SOLUTION.

公开(公告)号：US3824101A

公开(公告)日：1974-07-16

申请号：US16606171

申请日：1971-07-26

Applicant: MITA INDUSTRIAL CO LTD

Inventor： NIHYAKUMEN K ,  AIZAWA T ,  YOKOYAMA T ,  KAMEZAWA Y

IPC: B41M5/323 ,  B41M5/48 ,  G03C1/52 ,  G03C5/18 ,  G03C1/58

CPC classification number: B41M5/48 ,  G03C1/52

Abstract: A PROCESS FOR THE DIAZO-TYPE MULTICOLOR REPRODUCTION WHICH COMPRISES CONDUCTING THE STEPS OF (A) EXPOSING TO LIGHT A DIAZO-TYPE PHOTOSENSITIVE MATERIAL CONTAINING AT LEAST ONE DIAZONIUM SALT THROUGH A TRANSPARENT OR SEMITRANSPARENT ORIGINAL ON PEDETERMINED PORTIONS OF THE BACK SURFACE OF WHICH IS APPLIED AT LEAST ONE LAYER CONTAINING A THERMOVOLATILE OR THERMOSUBLIMATIVE DYESTUFF OR PIGMENT AND (B) HEATING THE ASSEMBLY OF THE ORIGINAL AND THE PHOTOSENSITIVE MATERIAL IN A MANNER SUCH THAT THE

TREATED BACK SURFACE OF THE ORIGINAL WILL BE IN A FACE-TOFACE CONTACT WITH THE PHOTOSENSITIVE LAYER OF THE PHOTOSENSITIVE MATERIAL, THE STEPS (A) AND (B) BEING CARRIED OUT COINCIDENTALLY OR IN AN ORDER OF (A) TO (B) OR (B) TO (A), AND THEN DEVELOPING THE EXPOSED PHOTOSENSITIVE MATERIAL IN THE PRESENCE OF A COUPLER.

公开(公告)号：US3820996A

公开(公告)日：1974-06-28

申请号：US27507172

申请日：1972-07-25

Applicant: MITA INDUSTRIAL CO LTD

Inventor： NIHYAKUMEN K ,  YOKOYAMA T ,  KAMEZAWA Y ,  AIZAWA T

IPC: G03C1/61 ,  G03C5/34

CPC classification number: G03C1/61

Abstract: A process for development of two-component diazotype photosensitive materials comprising exposing image-wise to light a photosensitive material having a two-component diazotype photosensitive layer comprising a photosensitive diazonium salt, a coupler capable of coupling with said diazonium salt and an acidic stabilizer, applying a small amount of an activating liquor to the photosensitive layer of the exposed photosensitive material and thereafter heating the activating liquor-applied photosensitive material according to need, said activating liquor being a solution or dispersion of a carboxylic acid salt selected from the group consisting of alkali metal carboxylates, alkaline earth metal carboxylates and mixtures thereof.