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  1. Technology classes
  2. /C · Chemistry
  3. /C09 · Dyes
  4. /C09B · Organic dyes or closely-related compounds for producing dyes
  5. /C09B 5/00 · Dyes with an anthracene nucleus condensed with one or more heterocyclic rings
  6. /C09B 5/24 · The heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2
  7. /C09B 5/44 · Azines of the anthracene series
  8. /C09B 5/46 · Para-diazines
  9. /C09B 5/48 · Bis-anthraquinonediazines
  10. /C09B 5/56 · Preparation from starting materials already containing the indanthrene nucleus
  11. /C09B 5/58
C09B 5/58

By halogenation

Official title: by halogenation

C09B5/58 (By halogenation) appears on 1 US grants and 2 published applications in this corpus.

Search patents in C09B

Where it sits

  1. CChemistry
  2. C09Dyes
  3. C09BOrganic dyes or closely-related compounds for producing dyes
  4. C09B 5/00Dyes with an anthracene nucleus condensed with one or more heterocyclic rings
  5. C09B 5/24The heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2
  6. C09B 5/44Azines of the anthracene series
  7. C09B 5/46Para-diazines
  8. C09B 5/48Bis-anthraquinonediazines
  9. C09B 5/56Preparation from starting materials already containing the indanthrene nucleus
  10. C09B 5/58By halogenation
Granted patents
1
Published applications
2
Assignees
2
Inventors
2
Latest grant
8 Nov 2005

Filings by year

Granted patentsPublished applications
C09B 5/58: granted patents and published applications per publication year
YearGranted patentsPublished applications
200301
200400
200511

200320042005

By publication year.

Recent patents

  • Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base8 Nov 2005US 6,962,734 B2Nitto Denko Corporation
  • Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base16 Jun 2005US 2005/0129878 A1Optvia, Inc.
  • Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base18 Dec 2003US 2003/0232153 A1

Most cited

By later US patents
  • Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base17US 6,962,734 B2Nitto Denko Corporation · 2005

Top assignees

Documents
  • Nitto Denko Corporation1
  • OOptvia, Inc.1

Often classified with

  • C09KMaterials for miscellaneous applications, not provided for elsewhere3

Documents that also carry the other class.

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