BR9806391A - Improvements in and related to security documents. - Google Patents

Improvements in and related to security documents.

Info

Publication number
BR9806391A
BR9806391A BR9806391A BR9806391A BR9806391A BR 9806391 A BR9806391 A BR 9806391A BR 9806391 A BR9806391 A BR 9806391A BR 9806391 A BR9806391 A BR 9806391A BR 9806391 A BR9806391 A BR 9806391A
Authority
BR
Brazil
Prior art keywords
coating
magnetic material
security documents
aluminum
substance
Prior art date
Application number
BR9806391A
Other languages
Portuguese (pt)
Inventor
Brian Chorley
Original Assignee
Bank Of England
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 Bank Of England filed Critical Bank Of England
Priority to BR9806391A priority Critical patent/BR9806391A/en
Publication of BR9806391A publication Critical patent/BR9806391A/en

Links

Landscapes

  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

Patente de Invenção: <B>"MELHORAMENTOS EM E RELACIONADOS COM DOCUMENTOS DE SEGURANçA"<D>. Um fio de segurança compósito, por exemplo, para uma nota de banco, é produzido revestindo-se uma película de alumínio sobre uma película de poliéster (11) e revestindo-se regiões selecionadas com material magnético. Caracteres com substância de revestimento de foto (14 a 18) são a seguir impressos sobre o material magnético, e uma substância química aplicada para remover o revestimento de alumínio, exceto onde protegido pela substância de revestimento. Um revestimento de prata obscurecedor (40) é depois aplicado sobre o material magnético, e um material transparente final aplicado como uma barreira para reduzir o risco de dano durante processamento subseq³ente.Invention Patent: <B> "IMPROVEMENTS IN AND RELATED TO SECURITY DOCUMENTS" <D>. A composite security thread, for example, for a bank note, is produced by coating an aluminum film over a polyester film (11) and coating selected regions with magnetic material. Characters with photo coating substance (14 to 18) are then printed on the magnetic material, and a chemical applied to remove the aluminum coating, except where protected by the coating substance. An obscuring silver coating (40) is then applied over the magnetic material, and a final transparent material applied as a barrier to reduce the risk of damage during subsequent processing.

BR9806391A 1998-04-27 1998-04-27 Improvements in and related to security documents. BR9806391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9806391A BR9806391A (en) 1998-04-27 1998-04-27 Improvements in and related to security documents.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9806391A BR9806391A (en) 1998-04-27 1998-04-27 Improvements in and related to security documents.

Publications (1)

Publication Number Publication Date
BR9806391A true BR9806391A (en) 1999-12-14

Family

ID=4071419

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9806391A BR9806391A (en) 1998-04-27 1998-04-27 Improvements in and related to security documents.

Country Status (1)

Country Link
BR (1) BR9806391A (en)

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Legal Events

Date Code Title Description
B09A Decision: granting
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/04/1998, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 16A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi; resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2258 DE 15-04-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.