GB9722031D0 - Identifiable substances - Google Patents

Identifiable substances

Info

Publication number
GB9722031D0
GB9722031D0 GB9722031A GB9722031A GB9722031D0 GB 9722031 D0 GB9722031 D0 GB 9722031D0 GB 9722031 A GB9722031 A GB 9722031A GB 9722031 A GB9722031 A GB 9722031A GB 9722031 D0 GB9722031 D0 GB 9722031D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
identifiable substances
identifiable
substances
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Withdrawn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
GB9722031A
Other versions
GB2330408A (en )
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.)
LABORATOIR NATIONAL D ESSAIS
LABORATOIR NATIONAL D'ESSAIS
PIRA INTERNATIONAL
Cranfield University
Original Assignee
LABORATOIR NATIONAL D ESSAIS
LABORATOIR NATIONAL D'ESSAIS
PIRA INTERNATIONAL
Cranfield University
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
Grant date

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • B07C5/3412Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0279Optical identification, e.g. cameras or spectroscopy
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6428Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6439Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling
    • Y02W30/622Separating plastics from other materials
GB9722031A 1997-10-17 1997-10-17 Identifiable substances Withdrawn GB9722031D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9722031A GB9722031D0 (en) 1997-10-17 1997-10-17 Identifiable substances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9722031A GB9722031D0 (en) 1997-10-17 1997-10-17 Identifiable substances

Publications (2)

Publication Number Publication Date
GB9722031D0 true GB9722031D0 (en) 1997-12-17
GB2330408A true GB2330408A (en) 1999-04-21

Family

ID=10820738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9722031A Withdrawn GB9722031D0 (en) 1997-10-17 1997-10-17 Identifiable substances

Country Status (1)

Country Link
GB (1) GB9722031D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6514617B1 (en) 2001-07-11 2003-02-04 General Electric Company Tagging materials for polymers, methods, and articles made thereby
US7488764B2 (en) 2003-01-23 2009-02-10 Sabic Innovative Plastics Ip B.V. Polymer encapsulation of high aspect ratio materials and methods of making same
US7312257B2 (en) 2003-01-23 2007-12-25 General Electric Company Polymer encapsulation of high aspect ratio materials and methods of making same
US7496938B2 (en) 2003-11-24 2009-02-24 Sabic Innovative Plastics Ip B.V. Media drive with a luminescence detector and methods of detecting an authentic article
US7169615B2 (en) 2003-11-26 2007-01-30 General Electric Company Method of authenticating polymers, authenticatable polymers, methods of making authenticatable polymers and authenticatable articles, and articles made there from
US7094364B2 (en) 2003-11-26 2006-08-22 General Electric Company Method of authenticating polymers, authenticatable polymers, methods of making authenticatable polymers and authenticatable articles, and articles made there from
US7175086B2 (en) 2004-04-21 2007-02-13 General Electric Company Authentication system, data device, and methods for using the same
US7597961B2 (en) 2004-07-13 2009-10-06 Sabic Innovative Plastics Ip B.V. Authenticatable article and method of authenticating
US7682696B2 (en) 2004-09-13 2010-03-23 Sabic Innovative Plastics Ip B.V. Medical article and method of making and using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423814A (en) * 1981-06-05 1984-01-03 Occidental Research Corporation Separation or concentration of magnesium-bearing minerals by induced fluorescence
EP0139701A1 (en) * 1983-03-18 1985-05-08 ANGSTROM ROBOTICS & TECHNOLOGY INC. Object recognition and identification system using ultraviolet fluorescent materials
US4567370A (en) * 1984-02-21 1986-01-28 Baird Corporation Authentication device
GB2190996B (en) * 1986-05-23 1990-07-18 Michael Anthony West Article verification
GB9015471D0 (en) * 1990-07-13 1990-08-29 Dowty Seals Ltd Articles composed of rubber or polymer materials
DE4213323A1 (en) * 1992-04-23 1993-10-28 Bayer Ag An improved process for the identification of plastics

Also Published As

Publication number Publication date Type
GB2330408A (en) 1999-04-21 application

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)