GB2051847B - Manufacture of colour developing sheets - Google Patents

Manufacture of colour developing sheets

Info

Publication number: GB2051847B
Authority: GB; United Kingdom
Prior art keywords: manufacture; colour developing; developing sheets; sheets; colour
Prior art date: 1979-05-22
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.): Expired

Application number

GB8014702A

Other versions

GB2051847A (en

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.)

Wiggins Teape Group Ltd

Original Assignee

Wiggins Teape Group 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.)

1979-05-22

Filing date

1980-05-02

Publication date

1983-03-02

1980-05-02 Application filed by Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd

1980-05-02 Priority to GB8014702A priority Critical patent/GB2051847B/en

1981-01-21 Publication of GB2051847A publication Critical patent/GB2051847A/en

1983-03-02 Application granted granted Critical

1983-03-02 Publication of GB2051847B publication Critical patent/GB2051847B/en

Status Expired 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
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
- B41M5/1555—Inorganic mineral developers, e.g. clays

Landscapes

Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Color Printing (AREA)

GB8014702A 1979-05-22 1980-05-02 Manufacture of colour developing sheets Expired GB2051847B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8014702A GB2051847B (en)	1979-05-22	1980-05-02	Manufacture of colour developing sheets

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7917814		1979-05-22
GB8014702A GB2051847B (en)	1979-05-22	1980-05-02	Manufacture of colour developing sheets

Publications (2)

Publication Number	Publication Date
GB2051847A GB2051847A (en)	1981-01-21
GB2051847B true GB2051847B (en)	1983-03-02

Family

ID=26271612

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8014702A Expired GB2051847B (en)	1979-05-22	1980-05-02	Manufacture of colour developing sheets

Country Status (1)

Country	Link
GB (1)	GB2051847B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4327158A1 (en) *	1993-08-12	1995-02-16	Sued Chemie Ag	Process for the preparation of neutral to alkaline color developer pigments
DE4413672A1 (en) *	1994-04-20	1995-10-26	Sued Chemie Ag	Color developer for carbonless paper

1980
- 1980-05-02 GB GB8014702A patent/GB2051847B/en not_active Expired

Also Published As

Publication number	Publication date
GB2051847A (en)	1981-01-21

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Legal Events

Date	Code	Title	Description
1996-01-03	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19950502