3552975

Information

• Patent Grant
• 3552975

• References
• Source

• Patent Number

  3,552,975

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  53 years ago

• CPC

  • C07C49/707 - a keto group being part of a three- to five-membered ring
  • C07C45/296 - with lead derivatives
  • C07C45/62 - by hydrogenation of carbon-to-carbon double or triple bonds
  • C07C45/64 - by introduction of functional groups containing oxygen only in singly bound form
  • C07C45/67 - by isomerisation by change of size of the carbon skeleton
  • C07C45/673 - by change of size of the carbon skeleton
  • C12C3/00 - Treatment of hops
  • C12C3/12 - Isomerised products from hops
  • C12C5/026 - Beer flavouring preparations

• US Classifications

  • 426 - Food or edible material: processes, compositions, and products
  • 568 - Organic compounds