DK129509B - Neutralizing compound for color reaction papers with spirodipyran and with mineral acid treated clay as color reactants. - Google Patents

Neutralizing compound for color reaction papers with spirodipyran and with mineral acid treated clay as color reactants.

Info

Publication number
DK129509B
DK129509B DK339470A DK339470A DK129509B DK 129509 B DK129509 B DK 129509B DK 339470 A DK339470 A DK 339470A DK 339470 A DK339470 A DK 339470A DK 129509 B DK129509 B DK 129509B
Authority
DK
Denmark
Prior art keywords
color
spirodipyran
mineral acid
acid treated
reactants
Prior art date
Application number
DK339470A
Other languages
Danish (da)
Other versions
DK129509C (en
Inventor
E Kunkel
Original Assignee
Pelikan Werke Wagner Guenther
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 Pelikan Werke Wagner Guenther filed Critical Pelikan Werke Wagner Guenther
Publication of DK129509B publication Critical patent/DK129509B/en
Application granted granted Critical
Publication of DK129509C publication Critical patent/DK129509C/da

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
    • B41M5/128—Desensitisers; Compositions for fault correction, detection or identification of the layers
DK339470A 1969-07-01 1970-06-30 Neutralizing compound for color reaction papers with spirodipyran and with mineral acid treated clay as color reactants. DK129509B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691933238 DE1933238A1 (en) 1969-07-01 1969-07-01 Neutralization coating for dye reaction paper

Publications (2)

Publication Number Publication Date
DK129509B true DK129509B (en) 1974-10-21
DK129509C DK129509C (en) 1975-03-17

Family

ID=5738475

Family Applications (1)

Application Number Title Priority Date Filing Date
DK339470A DK129509B (en) 1969-07-01 1970-06-30 Neutralizing compound for color reaction papers with spirodipyran and with mineral acid treated clay as color reactants.

Country Status (9)

Country Link
AT (1) AT300853B (en)
BE (1) BE752748A (en)
CH (1) CH547176A (en)
DE (1) DE1933238A1 (en)
DK (1) DK129509B (en)
FR (1) FR2056391A5 (en)
GB (1) GB1318353A (en)
NL (1) NL7009207A (en)
SE (1) SE377077B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901986A (en) * 1974-01-28 1975-08-26 Ncr Co Ink supply transfer medium

Also Published As

Publication number Publication date
CH547176A (en) 1974-03-29
SE377077B (en) 1975-06-23
GB1318353A (en) 1973-05-31
BE752748A (en) 1970-12-30
AT300853B (en) 1972-08-10
NL7009207A (en) 1971-01-05
DK129509C (en) 1975-03-17
FR2056391A5 (en) 1971-05-14
DE1933238A1 (en) 1971-01-14

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