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
Multi-point lock system with single position actuation and related methods
Reaction device and electronic equipment
Computer and data center load determination
Radar device
Wireless communication system, communication control method, radio base station, radio terminal, and storage medium
IP phone routing and call initiation based on location information
Method and system for securely protecting a semiconductor chip without compromising test and debug capabilities
  Randomly Featured Patents
Method for forming a silicide film used in a semiconductor chip
Medical imaging device using triggered plasma cathode flash X-ray sources
Driving force transmitting device
Electronic clock
Humidifier with a tamper proof liquid level responsive shut-off
Game table with recessed game board storage area
Electrode connector system
Golf club
Bank of seats for amusement ride