GB9801209D0 - Communications system - Google Patents

Communications system

Info

Publication number
GB9801209D0
GB9801209D0 GBGB9801209.9A GB9801209A GB9801209D0 GB 9801209 D0 GB9801209 D0 GB 9801209D0 GB 9801209 A GB9801209 A GB 9801209A GB 9801209 D0 GB9801209 D0 GB 9801209D0
Authority
GB
United Kingdom
Prior art keywords
communications system
communications
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.)
Ceased
Application number
GBGB9801209.9A
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 GBGB9501086.4A external-priority patent/GB9501086D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GBGB9801209.9A priority Critical patent/GB9801209D0/en
Publication of GB9801209D0 publication Critical patent/GB9801209D0/en
Priority to PCT/GB1999/000140 priority patent/WO1999037050A1/en
Priority to EP99901053A priority patent/EP1050130B1/en
Priority to DE69913488T priority patent/DE69913488T2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/08—Drying; Calcining ; After treatment of titanium oxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
GBGB9801209.9A 1995-01-20 1998-01-03 Communications system Ceased GB9801209D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB9801209.9A GB9801209D0 (en) 1995-01-20 1998-01-03 Communications system
PCT/GB1999/000140 WO1999037050A1 (en) 1998-01-03 1999-01-15 Communications system with star/ring topology
EP99901053A EP1050130B1 (en) 1998-01-03 1999-01-15 Communications system with star / ring topology
DE69913488T DE69913488T2 (en) 1998-01-03 1999-01-15 Communication system with star / ring topology

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9501086.4A GB9501086D0 (en) 1995-01-20 1995-01-20 Preparation of anatase titanium dioxide
GB9600045A GB2297082B (en) 1995-01-20 1996-01-03 Preparation of anatase titanium dioxide
GBGB9801209.9A GB9801209D0 (en) 1995-01-20 1998-01-03 Communications system

Publications (1)

Publication Number Publication Date
GB9801209D0 true GB9801209D0 (en) 1998-03-18

Family

ID=26306347

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9810209A Expired - Fee Related GB2322366B (en) 1995-01-20 1996-01-03 Anatase titanium dioxide
GBGB9801209.9A Ceased GB9801209D0 (en) 1995-01-20 1998-01-03 Communications system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9810209A Expired - Fee Related GB2322366B (en) 1995-01-20 1996-01-03 Anatase titanium dioxide

Country Status (1)

Country Link
GB (2) GB2322366B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201610194D0 (en) 2016-06-10 2016-07-27 Huntsman P&A Uk Ltd Titanium dioxide product

Also Published As

Publication number Publication date
GB2322366A (en) 1998-08-26
GB9810209D0 (en) 1998-07-08
GB2322366B (en) 1999-04-07

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)