GB2051847B - Manufacture of colour developing sheets - Google Patents
Manufacture of colour developing sheetsInfo
- Publication number
- GB2051847B GB2051847B GB8014702A GB8014702A GB2051847B GB 2051847 B GB2051847 B GB 2051847B GB 8014702 A GB8014702 A GB 8014702A GB 8014702 A GB8014702 A GB 8014702A GB 2051847 B GB2051847 B GB 2051847B
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- colour developing
- developing sheets
- sheets
- colour
- 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.)
- Expired
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)
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)
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 |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950502 |