Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D473/00—Heterocyclic compounds containing purine ring systems
  • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
  • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
  • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
  • C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E50/00—Technologies for the production of fuel of non-fossil origin
  • Y02E50/10—Biofuels, e.g. bio-diesel

Landscapes

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

Applications Claiming Priority (1)

Publications (1)

Family

ID=7049606

Family Applications (2)

Family Applications After (1)

Country Status (10)

Families Citing this family (6)

• 0
  • NL NL128805D patent/NL128805C/xx active
  • GB GB1084152D patent/GB1084152A/en active Active
• 1965
  • 1965-01-16 DE DE19651545725 patent/DE1545725A1/de active Pending
  • 1965-12-21 FI FI653054A patent/FI45976C/fi active
  • 1965-12-29 CH CH1802265A patent/CH457452A/de unknown
• 1966
  • 1966-01-04 NL NL6600047A patent/NL6600047A/xx unknown
  • 1966-01-10 US US519430A patent/US3398150A/en not_active Expired - Lifetime
  • 1966-01-12 BE BE675042D patent/BE675042A/xx not_active IP Right Cessation
  • 1966-01-14 BR BR176421/66A patent/BR6676421D0/pt unknown
  • 1966-01-14 SE SE539/66A patent/SE321231B/xx unknown
  • 1966-01-14 DK DK22266AA patent/DK113433B/da unknown
• 1968
  • 1968-06-13 BE BE716539D patent/BE716539A/xx not_active IP Right Cessation

Also Published As

Similar Documents