EP0464474A3 - Delible magnetic ink and process for making the same - Google Patents

Delible magnetic ink and process for making the same Download PDF

Info

Publication number
EP0464474A3
EP0464474A3 EP19910110061 EP91110061A EP0464474A3 EP 0464474 A3 EP0464474 A3 EP 0464474A3 EP 19910110061 EP19910110061 EP 19910110061 EP 91110061 A EP91110061 A EP 91110061A EP 0464474 A3 EP0464474 A3 EP 0464474A3
Authority
EP
European Patent Office
Prior art keywords
delible
making
same
magnetic ink
ink
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.)
Withdrawn
Application number
EP19910110061
Other versions
EP0464474A2 (en
Inventor
Antonio Mantegazza
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.)
Mantegazza Antonio Arti Grafiche SRL
Original Assignee
Mantegazza Antonio Arti Grafiche SRL
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
Priority claimed from IT02072590A external-priority patent/IT1248972B/en
Priority claimed from ITMI911494A external-priority patent/IT1250424B/en
Application filed by Mantegazza Antonio Arti Grafiche SRL filed Critical Mantegazza Antonio Arti Grafiche SRL
Publication of EP0464474A2 publication Critical patent/EP0464474A2/en
Publication of EP0464474A3 publication Critical patent/EP0464474A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
EP19910110061 1990-06-22 1991-06-19 Delible magnetic ink and process for making the same Withdrawn EP0464474A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT02072590A IT1248972B (en) 1990-06-22 1990-06-22 Indelible magnetic ink particularly for signing documents and the like
IT2072590 1990-06-22
ITMI911494 1991-05-31
ITMI911494A IT1250424B (en) 1991-05-31 1991-05-31 Erasable magnetic ink especially for the marking of documents and the like

Publications (2)

Publication Number Publication Date
EP0464474A2 EP0464474A2 (en) 1992-01-08
EP0464474A3 true EP0464474A3 (en) 1993-04-21

Family

ID=26327633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910110061 Withdrawn EP0464474A3 (en) 1990-06-22 1991-06-19 Delible magnetic ink and process for making the same

Country Status (1)

Country Link
EP (1) EP0464474A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792380A (en) * 1997-04-30 1998-08-11 Eastman Kodak Company Ink jet printing ink composition with detectable label material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748763A (en) * 1951-07-17 1956-05-09 Burroughs Corp Improvements in or relating to magnetic ink
GB857820A (en) * 1958-10-14 1961-01-04 Dick Co Ab Improvements in or relating to printing ink
US3072577A (en) * 1958-12-19 1963-01-08 Ibm Moisture set magnetic inks
FR2314235A1 (en) * 1975-06-12 1977-01-07 Ibm MAGNETIC INKS AND THEIR MANUFACTURING PROCESS
WO1983003426A1 (en) * 1982-03-29 1983-10-13 SCHRÖDER, Ulf Magnetic carbohydrate particles as carriers for affinity separation purposes, e.g. cell separation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105338A (en) * 1980-01-25 1981-08-21 Tokyo Jiki Insatsu Kk Magnetic card having forgery preventing function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748763A (en) * 1951-07-17 1956-05-09 Burroughs Corp Improvements in or relating to magnetic ink
GB857820A (en) * 1958-10-14 1961-01-04 Dick Co Ab Improvements in or relating to printing ink
US3072577A (en) * 1958-12-19 1963-01-08 Ibm Moisture set magnetic inks
FR2314235A1 (en) * 1975-06-12 1977-01-07 Ibm MAGNETIC INKS AND THEIR MANUFACTURING PROCESS
WO1983003426A1 (en) * 1982-03-29 1983-10-13 SCHRÖDER, Ulf Magnetic carbohydrate particles as carriers for affinity separation purposes, e.g. cell separation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 5, no. 175 (P-88)(847) 11 November 1981 & JP-56 105 338 ( TOKYO JIKI INSATSU K.K. ) 21 August 1981 *

Also Published As

Publication number Publication date
EP0464474A2 (en) 1992-01-08

Similar Documents

Publication Publication Date Title
EP0442762A3 (en) Card and process for producing the same
GB9113287D0 (en) Process
EP0513068A4 (en) Three new non-polyglutamatable deazaaminopterins and process for preparing the same
HK13497A (en) Anti-coalescent ink composition and method for making the same
GB9022127D0 (en) Process
AP9100251A0 (en) Process
GB9022787D0 (en) Process
GB9115250D0 (en) Process
HU913311D0 (en) Deparaffinizating process
GB9004390D0 (en) Process
EP0464474A3 (en) Delible magnetic ink and process for making the same
IL116967A (en) Ethyl-6-formyloxy-4-hexenoate and process for the preparation thereof
GB9014851D0 (en) Process
ZA911731B (en) Contrast media
GB9013699D0 (en) New process
GB2264947B (en) Tetrahalogenocyclopropanes and process for the preparation thereof
CS433590A3 (en) 3-ro-substituted phenoxyaldoximes and process for preparing thereof
CS430490A3 (en) 2-alkylthio-6-maleinimidobenzothiazoles and process for preparing thereof
CS323590A3 (en) 1-aryloxy-3-alkylamino-2-propanols and process for preparing thereof
CS180790A3 (en) 5-halogen-2-isocyanatobenzonitriles and process for preparing thereof
GB9021455D0 (en) Process
HU906304D0 (en) Poisonless blue-chromating process
GB9026477D0 (en) Process
GB9021664D0 (en) Process
HU900599D0 (en) Additive-sparing desulfurating process

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

PUAF Information related to the publication of a search report (a3 document) modified or deleted

Free format text: ORIGINAL CODE: 0009199SEPU

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

D17D Deferred search report published (deleted)
AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

17P Request for examination filed

Effective date: 19931217

17Q First examination report despatched

Effective date: 19950412

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19960311