GB9318371D0 - Pressure-sensitive record materials - Google Patents

Pressure-sensitive record materials

Info

Publication number
GB9318371D0
GB9318371D0 GB939318371A GB9318371A GB9318371D0 GB 9318371 D0 GB9318371 D0 GB 9318371D0 GB 939318371 A GB939318371 A GB 939318371A GB 9318371 A GB9318371 A GB 9318371A GB 9318371 D0 GB9318371 D0 GB 9318371D0
Authority
GB
United Kingdom
Prior art keywords
colour
formers
pressure
solvent
sensitive record
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB939318371A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrs Paper Ltd
Original Assignee
Carrs Paper 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10741516&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB9318371(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Carrs Paper Ltd filed Critical Carrs Paper Ltd
Priority to GB939318371A priority Critical patent/GB9318371D0/en
Publication of GB9318371D0 publication Critical patent/GB9318371D0/en
Priority to EP94925547A priority patent/EP0716634B1/en
Priority to CA002170740A priority patent/CA2170740C/en
Priority to PCT/GB1994/001921 priority patent/WO1995007187A1/en
Priority to JP7508519A priority patent/JPH09502135A/en
Priority to DE69410102T priority patent/DE69410102T2/en
Priority to AT94925547T priority patent/ATE165771T1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • B41M5/1655—Solvents

Abstract

An internal phase solution for a coating of rupturable material for application to a base sheet to form a pressure-sensitive record material comprises one or more colour-formers of which at least 90 % are monoamino and/or diamino fluoran derivatives dissolved in a solvent comprising 80 % to 100 % of one or more vegetable and/or animal oils. Preferably the colour-formers comprise only monoamino and/or diamino fluoran derivatives and the solvent comprises only one or more vegetable and/or animal oils. Dissolution of the colour-formers in the solvent may take place at a temperature in the range 100 DEG C to 135 DEG C and micro-capsules containing such a colour-former solution may be formed by conventional coacervation processes below 70 DEG C.
GB939318371A 1993-09-04 1993-09-04 Pressure-sensitive record materials Pending GB9318371D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB939318371A GB9318371D0 (en) 1993-09-04 1993-09-04 Pressure-sensitive record materials
EP94925547A EP0716634B1 (en) 1993-09-04 1994-09-05 Pressure-sensitive record materials
CA002170740A CA2170740C (en) 1993-09-04 1994-09-05 Pressure-sensitive record materials
PCT/GB1994/001921 WO1995007187A1 (en) 1993-09-04 1994-09-05 Pressure-sensitive record materials
JP7508519A JPH09502135A (en) 1993-09-04 1994-09-05 Pressure sensitive recording material
DE69410102T DE69410102T2 (en) 1993-09-04 1994-09-05 PRESSURE SENSITIVE RECORDING MATERIALS
AT94925547T ATE165771T1 (en) 1993-09-04 1994-09-05 PRESSURE SENSITIVE RECORDING MATERIALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939318371A GB9318371D0 (en) 1993-09-04 1993-09-04 Pressure-sensitive record materials

Publications (1)

Publication Number Publication Date
GB9318371D0 true GB9318371D0 (en) 1993-10-20

Family

ID=10741516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB939318371A Pending GB9318371D0 (en) 1993-09-04 1993-09-04 Pressure-sensitive record materials

Country Status (7)

Country Link
EP (1) EP0716634B1 (en)
JP (1) JPH09502135A (en)
AT (1) ATE165771T1 (en)
CA (1) CA2170740C (en)
DE (1) DE69410102T2 (en)
GB (1) GB9318371D0 (en)
WO (1) WO1995007187A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414637D0 (en) * 1994-07-20 1994-09-07 Wiggins Teape Group The Limite Presure-sensitive copying material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913456A (en) * 1972-06-06 1974-02-05
JPS5030088B2 (en) * 1973-04-16 1975-09-29
JPS58189030A (en) * 1982-04-28 1983-11-04 Kanzaki Paper Mfg Co Ltd Preparation of microcapsule
JPH0741738B2 (en) * 1989-03-27 1995-05-10 日本製紙株式会社 Coloring material
GB9113086D0 (en) * 1991-06-18 1991-08-07 Wiggins Teape Group Ltd Solvent compositions for use in pressure-sensitive copying paper
DE69321765T3 (en) * 1992-06-04 2006-08-24 Arjo Wiggins Ltd., Basingstoke Pressure-sensitive recording material

Also Published As

Publication number Publication date
CA2170740C (en) 2003-02-25
EP0716634A1 (en) 1996-06-19
CA2170740A1 (en) 1995-03-16
JPH09502135A (en) 1997-03-04
DE69410102T2 (en) 1998-09-03
DE69410102D1 (en) 1998-06-10
EP0716634B1 (en) 1998-05-06
WO1995007187A1 (en) 1995-03-16
ATE165771T1 (en) 1998-05-15

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