GB920414A - Improved invisible printing ink - Google Patents

Improved invisible printing ink

Info

Publication number
GB920414A
GB920414A GB3344458A GB3344458A GB920414A GB 920414 A GB920414 A GB 920414A GB 3344458 A GB3344458 A GB 3344458A GB 3344458 A GB3344458 A GB 3344458A GB 920414 A GB920414 A GB 920414A
Authority
GB
United Kingdom
Prior art keywords
printing ink
white spirit
silicone composition
invisible printing
viscous varnish
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
Application number
GB3344458A
Inventor
William James Mansell
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.)
D B PUBLISHING Co Ltd
Original Assignee
D B PUBLISHING Co 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
Application filed by D B PUBLISHING Co Ltd filed Critical D B PUBLISHING Co Ltd
Priority to GB3344458A priority Critical patent/GB920414A/en
Publication of GB920414A publication Critical patent/GB920414A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

A printing ink which when applied to suitable absorbent paper or like material only becomes visible when the printed matter is wetted contains 10-20% by weight of an airdrying silicone composition containing not less than 50% by wt. of water-repellent silicone; 2-5% of Extra Viscous Varnish or 2% of stearic acid; and the balance of White Spirit. A suitable silicone composition is M.S. 2202 which is of the kind described in Specifications 708,821 and 723,989 as a textile processing product. Extra Viscous Varnish consists of 60% boiled linseed oil, 10% Copal Gum and 30% White Spirit.
GB3344458A 1958-10-20 1958-10-20 Improved invisible printing ink Expired GB920414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3344458A GB920414A (en) 1958-10-20 1958-10-20 Improved invisible printing ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3344458A GB920414A (en) 1958-10-20 1958-10-20 Improved invisible printing ink

Publications (1)

Publication Number Publication Date
GB920414A true GB920414A (en) 1963-03-06

Family

ID=10353034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3344458A Expired GB920414A (en) 1958-10-20 1958-10-20 Improved invisible printing ink

Country Status (1)

Country Link
GB (1) GB920414A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844097A1 (en) * 1996-11-21 1998-05-27 Ncr International Inc. Thermal paper with security features and security ink therefor
US5883043A (en) * 1997-08-27 1999-03-16 Ncr Corporation Thermal paper with security features
US6770687B1 (en) 1996-11-21 2004-08-03 Ncr Corporation Water-based dual security ink
US6835457B2 (en) 2001-05-15 2004-12-28 Markem Corporation Marking substrates

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844097A1 (en) * 1996-11-21 1998-05-27 Ncr International Inc. Thermal paper with security features and security ink therefor
US6770687B1 (en) 1996-11-21 2004-08-03 Ncr Corporation Water-based dual security ink
US5883043A (en) * 1997-08-27 1999-03-16 Ncr Corporation Thermal paper with security features
US6835457B2 (en) 2001-05-15 2004-12-28 Markem Corporation Marking substrates
US6835424B2 (en) 2001-05-15 2004-12-28 Markem Corporation Marking substrates

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