Methods for making clear fragrances and formulations
US7288515B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2003 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Dec 31, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods of forming clear fragrances and formulations are described herein. The method includes providing a commercial fragrance formulation including a first concentration of a fragrance component and a second concentration of a nonessential component. The method further includes identifying the nonessential component, wherein the nonessential component includes an alcohol, an ester, a hydrocarbon, an aldehyde, a resin, other crystalline aroma chemicals, a first essential oil or combinations thereof, determining the second concentration and removing at least a portion of the nonessential component from the commercial fragrance formulation to form a first formulation, wherein the portion of the nonessential component is from about 5 wt. % to about 95 wt. % of the commercial fragrance formulation. The method further includes adding an essential component to the first formulation to form a second formulation, wherein the essential component is added to the first formulation in an amount substantially equal to the portion of the nonessential component removed from the commercial fragrance formulation. The method can further include preparing a second composition from the second formula…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.