Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
  • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
  • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
  • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22459956

Family Applications (1)

Country Status (8)

• 1971
  • 1971-04-13 US US00133711A patent/US3781372A/en not_active Expired - Lifetime
• 1972
  • 1972-03-21 CH CH415172A patent/CH562182A5/xx not_active IP Right Cessation
  • 1972-03-21 CA CA137,607A patent/CA973567A/en not_active Expired
  • 1972-03-25 IT IT22404/72A patent/IT1048920B/it active
  • 1972-04-07 DE DE19722216882 patent/DE2216882A1/de active Pending
  • 1972-04-12 NL NL7204893A patent/NL7204893A/xx not_active Application Discontinuation
  • 1972-04-13 FR FR7212958A patent/FR2132895B1/fr not_active Expired
  • 1972-04-13 GB GB1708672A patent/GB1344752A/en not_active Expired

Also Published As

Similar Documents

Legal Events