FI872681A - Kemiskt sjaelvkopierande eller ensamkopierande papper. - Google Patents

Kemiskt sjaelvkopierande eller ensamkopierande papper. Download PDF

Info

Publication number
FI872681A
FI872681A FI872681A FI872681A FI872681A FI 872681 A FI872681 A FI 872681A FI 872681 A FI872681 A FI 872681A FI 872681 A FI872681 A FI 872681A FI 872681 A FI872681 A FI 872681A
Authority
FI
Finland
Prior art keywords
sjaelvkopierande
ensamkopierande
papper
eller
chemist
Prior art date
Application number
FI872681A
Other languages
English (en)
Other versions
FI82904C (fi
FI82904B (fi
FI872681A0 (fi
Inventor
Olavi Yrjaelae
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI872681A priority Critical patent/FI82904C/fi
Publication of FI872681A0 publication Critical patent/FI872681A0/fi
Priority to EP88305338A priority patent/EP0295840A3/en
Priority to JP63149241A priority patent/JPS6456585A/ja
Publication of FI872681A publication Critical patent/FI872681A/fi
Priority to US07/380,036 priority patent/US4957778A/en
Application granted granted Critical
Publication of FI82904B publication Critical patent/FI82904B/fi
Publication of FI82904C publication Critical patent/FI82904C/fi

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
    • B41M5/1246—Application of the layer, e.g. by printing
    • 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
FI872681A 1987-06-16 1987-06-16 Foerfarande foer framstaellning av kemiskt sjaelvkopierande eller ensamkopierande papper. FI82904C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI872681A FI82904C (fi) 1987-06-16 1987-06-16 Foerfarande foer framstaellning av kemiskt sjaelvkopierande eller ensamkopierande papper.
EP88305338A EP0295840A3 (en) 1987-06-16 1988-06-10 A pressure sensitive recording paper and method of producing such
JP63149241A JPS6456585A (en) 1987-06-16 1988-06-16 Chemical self-copying paper or copy self-contained paper and manufacture thereof
US07/380,036 US4957778A (en) 1987-06-16 1989-07-14 Method of producing chemically self-copying or self-containing paper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI872681 1987-06-16
FI872681A FI82904C (fi) 1987-06-16 1987-06-16 Foerfarande foer framstaellning av kemiskt sjaelvkopierande eller ensamkopierande papper.

Publications (4)

Publication Number Publication Date
FI872681A0 FI872681A0 (fi) 1987-06-16
FI872681A true FI872681A (fi) 1988-12-17
FI82904B FI82904B (fi) 1991-01-31
FI82904C FI82904C (fi) 1991-05-10

Family

ID=8524674

Family Applications (1)

Application Number Title Priority Date Filing Date
FI872681A FI82904C (fi) 1987-06-16 1987-06-16 Foerfarande foer framstaellning av kemiskt sjaelvkopierande eller ensamkopierande papper.

Country Status (4)

Country Link
US (1) US4957778A (fi)
EP (1) EP0295840A3 (fi)
JP (1) JPS6456585A (fi)
FI (1) FI82904C (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6697198A (en) * 1997-03-14 1998-10-12 Georgia-Pacific Corporation Security paper
EP1218592B1 (en) 1999-09-06 2004-11-10 Metso Paper, Inc. Board machine and method of manufacturing a multilayer cardboard web
US7495508B2 (en) * 2007-03-12 2009-02-24 Texas Instruments Incorporated Switched capacitor notch filter circuits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565753A (en) * 1967-07-17 1971-02-23 Ncr Co Capsule-cellulose fiber units and products made therewith
DE2951486C2 (de) * 1979-12-20 1982-06-16 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Gegen Fälschungen und Verfälschungen geschütztes Sicherheitspapier und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
US4957778A (en) 1990-09-18
EP0295840A2 (en) 1988-12-21
FI82904C (fi) 1991-05-10
JPS6456585A (en) 1989-03-03
FI82904B (fi) 1991-01-31
EP0295840A3 (en) 1989-07-19
FI872681A0 (fi) 1987-06-16

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: A. AHLSTROEM OY