BR7301290D0 - COLORLESS COLOR FORMERS, PROCESS FOR THEIR PREPARATION, PRESSURE-SENSITIVE COPY PAPER AND COPY SET - Google Patents

COLORLESS COLOR FORMERS, PROCESS FOR THEIR PREPARATION, PRESSURE-SENSITIVE COPY PAPER AND COPY SET

Info

Publication number
BR7301290D0
BR7301290D0 BR129073A BR129073A BR7301290D0 BR 7301290 D0 BR7301290 D0 BR 7301290D0 BR 129073 A BR129073 A BR 129073A BR 129073 A BR129073 A BR 129073A BR 7301290 D0 BR7301290 D0 BR 7301290D0
Authority
BR
Brazil
Prior art keywords
preparation
pressure
copy
color formers
colorless color
Prior art date
Application number
BR129073A
Other languages
Portuguese (pt)
Inventor
A Renfrew
Original Assignee
Wiggins Teape Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wiggins Teape Ltd filed Critical Wiggins Teape Ltd
Publication of BR7301290D0 publication Critical patent/BR7301290D0/en

Links

BR129073A 1972-02-21 1973-02-21 COLORLESS COLOR FORMERS, PROCESS FOR THEIR PREPARATION, PRESSURE-SENSITIVE COPY PAPER AND COPY SET BR7301290D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB785072A GB1420331A (en) 1972-02-21 1972-02-21 Fluoran compounds and their use in pressure-sensitive copying paper

Publications (1)

Publication Number Publication Date
BR7301290D0 true BR7301290D0 (en) 1974-07-25

Family

ID=9840994

Family Applications (1)

Application Number Title Priority Date Filing Date
BR129073A BR7301290D0 (en) 1972-02-21 1973-02-21 COLORLESS COLOR FORMERS, PROCESS FOR THEIR PREPARATION, PRESSURE-SENSITIVE COPY PAPER AND COPY SET

Country Status (8)

Country Link
JP (1) JPS4896624A (en)
BE (1) BE795747A (en)
BR (1) BR7301290D0 (en)
DE (1) DE2308638A1 (en)
ES (2) ES411828A1 (en)
FR (1) FR2173103A1 (en)
GB (1) GB1420331A (en)
IT (1) IT984384B (en)

Also Published As

Publication number Publication date
BE795747A (en) 1973-08-21
DE2308638A1 (en) 1973-09-06
FR2173103A1 (en) 1973-10-05
JPS4896624A (en) 1973-12-10
ES411828A1 (en) 1976-05-16
GB1420331A (en) 1976-01-07
ES442128A1 (en) 1977-04-01
IT984384B (en) 1974-11-20

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