Resources Contact Us Home
Alkyl-substituted spiroundecenone derivatives, organoleptic utility thereof and processes for preparing same

Image Number 6 for United States Patent #4622172.

Described are alkyl-substituted spiroundecenone derivatives defined according to the structure: ##STR1## wherein R.sub.1 represents isopropyl or hydrogen; R.sub.2, R.sub.3 and R.sub.4 are the same and each represents methyl or hydrogen; with the provisos that:(i) when R.sub.1 is isopropyl, R.sub.2, R.sub.3 and R.sub.4 are hydrogen; and(ii) when R.sub.2, R.sub.3 and R.sub.4 are each methyl, R.sub.1 is hydrogen,and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations; as well as processes for preparing said alkyl-substituted spiroundecenone derivatives.

  Recently Added Patents
Multifunction switch for vehicle having lighting module
Maintenance tool of control systems
Optical multiplexer/demultiplexer
Portable hand-held multi-function device for storing, managing and combining rewards
Methods of enhancing diabetes resolution
Integrating multimedia capabilities with circuit-switched calls
  Randomly Featured Patents
Device and method to create a smooth opening on a tubular structure such as an artery or a vein
Moulding process and article produced by the process
Waveform generators using digitally generator superimposed waveforms
Breakaway basketball rim assembly
Composition of matter comprising cellular aggregate distributed in a binder
Toilet with water saving, vacuum-assisted flushing apparatus and associated methods
Delivery of drugs to the lower gastrointestinal tract
Image forming apparatus using an aperture electrode with improved toner passage by controlling toner flow to and from the apertures
Digital camera