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  1. Technology classes
  2. /C · Chemistry
  3. /C04 · Cements
  4. /C04B · Lime, magnesia
  5. /C04B 41/00 · After-treatment of mortars, concrete, artificial stone or ceramics
  6. /C04B 41/45 · Coating or impregnating
  7. /C04B 41/46 · With organic materials
  8. /C04B 41/48 · Macromolecular compounds
  9. /C04B 41/488 · Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon
  10. /C04B 41/4888
C04B 41/4888

Polycarbonates

Official title: {Polycarbonates}

C04B41/4888 (Polycarbonates) appears on 3 US grants and 4 published applications in this corpus.

Search patents in C04B

Where it sits

  1. CChemistry
  2. C04Cements
  3. C04BLime, magnesia
  4. C04B 41/00After-treatment of mortars, concrete, artificial stone or ceramics
  5. C04B 41/45Coating or impregnating
  6. C04B 41/46With organic materials
  7. C04B 41/48Macromolecular compounds
  8. C04B 41/488Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon
  9. C04B 41/4888Polycarbonates
Granted patents
3
Published applications
4
Assignees
2
Inventors
15
Latest grant
14 Jan 2020

Filings by year

Granted patentsPublished applications
C04B 41/4888: granted patents and published applications per publication year
YearGranted patentsPublished applications
200701
200800
200910
201000
201101
201200
201310
201400
201500
201600
201701
201800
201901
202010

20072008200920102011201220132014201520162017201820192020

By publication year.

Recent patents

  • Natural stone sealer compositions14 Jan 2020US 10,532,956 B2Questech Limited
  • Composite ceramic block13 Aug 2013US 8,507,578 B2
  • Porous body, production method thereof and composite material using the porous body17 Mar 2009US 7,504,153 B2Showa Denko K. K.
  • Natural stone sealer compositions14 Feb 2019US 2019/0047916 A1Questech Limited
  • Photovoltaic concrete, its method of manufacture and construction element including such a concrete18 May 2017US 2017/0141719 A1
  • Composite ceramic block22 Sep 2011US 2011/0229858 A1
  • Porous body, production method thereof and composite material using the porous body22 Feb 2007US 2007/0042901 A1Showa Denko K. K.

Most cited

By later US patents
  • Composite ceramic block5US 8,507,578 B22013
  • Porous body, production method thereof and composite material using the porous body2US 7,504,153 B2Showa Denko K. K. · 2009

Top assignees

Documents
  • QQuestech Limited2
  • Showa Denko K. K.2

Often classified with

  • Y02EClean energy generation and storage3
  • A61CDentistry2
  • B01JChemical or physical processes2
  • B22FWorking metallic powder2
  • C02FTreatment of water, waste water, sewage, or sludge2
  • C03CChemical composition of glasses, glazes or vitreous enamels2
  • C08JWorking-up2
  • C22CAlloys2
  • H01MBatteries and fuel cells2
  • Y02PLow-carbon manufacturing2

Documents that also carry the other class.

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