3672131

Information

• Patent Grant
• 3672131

• References
• Source

• Patent Number

  3,672,131

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • C01G49/02 - Oxides Hydroxides
  • B01J20/103 - comprising silica
  • B01J20/22 - comprising organic material
  • B01J20/28004 - Sorbent size or size distribution
  • B01J20/28019 - Spherical, ellipsoidal or cylindrical
  • B01J20/28057 - Surface area
  • B01J20/286 - Phases chemically bonded to a substrate
  • B01J20/29 - Chiral phases
  • B01J20/3071 - Washing or leaching
  • B01J20/3078 - Thermal treatment
  • B01J20/3092 - Packing of a container
  • B01J20/3204 - Inorganic carriers, supports or substrates
  • B01J20/3236 - containing metal, other than zeolites
  • B01J20/3248 - the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
  • B01J20/3251 - comprising at least two different types of heteroatoms selected from nitrogen, oxygen or sulphur
  • B01J20/3272 - Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
  • B01J20/3289 - Coatings involving more than one layer of same or different nature
  • B01J31/02 - containing organic compounds or metal hydrides
  • B01J31/0229 - also containing elements or functional groups covered by B01J31/0201 - B01J31/0214
  • B01J31/0232 - also containing elements or functional groups covered by B01J31/0201 - B01J31/0228
  • B01J31/0235 - Nitrogen containing compounds
  • B01J31/0237 - Amines
  • B01J31/0259 - comprising phosphorous acid (-ester) groups ((RO)P(OR’)2) or the isomeric phosphonic acid (-ester) groups (R(R’O)2P=O)
  • B01J31/0271 - also containing elements or functional groups covered by B01J31/0201 - B01J31/0231
  • B01J39/165 - containing also inorganic materials
  • B01J41/085 - Organic material
  • C01B33/113 - Silicon oxides Hydrates thereof
  • B01J2220/54 - Sorbents specially adapted for analytical or investigative chromatography
  • B01J2220/58 - Use in a single column
  • C01P2006/12 - Surface area

• US Classifications

  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making