Cassis procedure

Another method for obtaining raw materials for perfumery is enfleurage following the Cassis procedure (Fig. 3.11). In this, freshly picked petals are stuffed onto frames covered with beef fat and pork lard, whereby the scented compounds are absorbed into the fat This procedure is repeated until saturation is reached, and the pomade thus obtained is then extracted with 96% ethanol... 

Nowadays, the Cassis procedure is also used to obtain the absolue from jasmine, gardenia, tuberose, narcissus and jonquil. 

CASSIS USPTO USPTO Office of Electronic Data Conversion and Dissemination CASSIS, the Classification and Search Support Information System of the USPTO, comprises three subfiles CASSIS/BIB, bibHographic information for utiHty patents from 1969 and for others from 1977 CASSIS/CLASS, USPTO classification by patent number of class/subclass CASSIS/ASSIST, iadex to U.S. Manual of Classification U.S. Manual of Classification, Class Definitions IPC, U.S. Classification Concordance Manual of Patent Examining Procedure Attorneys/ Agents Roster, etc... 

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