Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J3/00—Time-division multiplex systems
  • H04J3/02—Details
  • H04J3/04—Distributors combined with modulators or demodulators
  • H04J3/042—Distributors with electron or gas discharge tubes
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
  • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
  • C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
  • C07C45/66—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
  • C07C49/527—Unsaturated compounds containing keto groups bound to rings other than six-membered aromatic rings
  • C07C49/553—Unsaturated compounds containing keto groups bound to rings other than six-membered aromatic rings polycyclic
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C21/00—Digital stores in which the information circulates continuously

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=12356438

Family Applications (1)

Country Status (6)

• 0
  • NL NL131471D patent/NL131471C/xx active
• 1966
  • 1966-05-27 GB GB2380066A patent/GB1106490A/en not_active Expired
  • 1966-05-27 DE DE19661593380 patent/DE1593380C3/de not_active Expired
  • 1966-05-27 BE BE681718D patent/BE681718A/xx unknown
  • 1966-05-31 FR FR63508A patent/FR1503555A/fr not_active Expired
  • 1966-05-31 CH CH785966A patent/CH463491A/fr unknown
  • 1966-05-31 NL NL6607497A patent/NL6607497A/xx unknown

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