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GB8507690D0 - Infra-red patterns - Google Patents

Infra-red patterns

Info

Publication number
GB8507690D0
GB8507690D0 GB858507690A GB8507690A GB8507690D0 GB 8507690 D0 GB8507690 D0 GB 8507690D0 GB 858507690 A GB858507690 A GB 858507690A GB 8507690 A GB8507690 A GB 8507690A GB 8507690 D0 GB8507690 D0 GB 8507690D0
Authority
GB
United Kingdom
Prior art keywords
infra
red patterns
patterns
red
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.)
Pending
Application number
GB858507690A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB858507690A priority Critical patent/GB8507690D0/en
Publication of GB8507690D0 publication Critical patent/GB8507690D0/en
Priority to GB08604991A priority patent/GB2173914A/en
Pending legal-status Critical Current

Links

GB858507690A 1985-03-25 1985-03-25 Infra-red patterns Pending GB8507690D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB858507690A GB8507690D0 (en) 1985-03-25 1985-03-25 Infra-red patterns
GB08604991A GB2173914A (en) 1985-03-25 1986-02-28 ir-Dye pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858507690A GB8507690D0 (en) 1985-03-25 1985-03-25 Infra-red patterns

Publications (1)

Publication Number Publication Date
GB8507690D0 true GB8507690D0 (en) 1985-05-01

Family

ID=10576591

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858507690A Pending GB8507690D0 (en) 1985-03-25 1985-03-25 Infra-red patterns
GB08604991A Withdrawn GB2173914A (en) 1985-03-25 1986-02-28 ir-Dye pattern

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08604991A Withdrawn GB2173914A (en) 1985-03-25 1986-02-28 ir-Dye pattern

Country Status (1)

Country Link
GB (2) GB8507690D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3689891T2 (en) * 1985-03-06 1994-10-20 Matsushita Electric Ind Co Ltd High density optical recording media, methods of making the same and methods for recording optical information in this medium.
GB8703400D0 (en) * 1987-02-13 1987-03-18 Courtaulds Plc Security marking
DE68927069T2 (en) * 1988-04-05 1997-01-23 Zeneca Ltd Security coding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300314A (en) * 1963-02-01 1967-01-24 Eastman Kodak Co Nonsilver, light-sensitive photographic elements
JPS4926584B1 (en) * 1970-11-26 1974-07-10
JPS5115743B1 (en) * 1971-06-18 1976-05-19
US3811884A (en) * 1971-06-18 1974-05-21 Fuji Photo Film Co Ltd Process for forming images
NL7905914A (en) * 1979-08-01 1981-02-03 Philips Nv DYE CONTAINING LAYER OF A FILM-FORMING POLYMER BINDER AND USE THEREOF IN AN INFORMATION REGISTRATION ELEMENT.
GB2155811B (en) * 1984-02-06 1987-01-21 Ricoh Kk Optical information recording medium

Also Published As

Publication number Publication date
GB2173914A (en) 1986-10-22
GB8604991D0 (en) 1986-04-09

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