Back to results
US 5,658,374 AGranted
Aqueous lecithin-based release aids and methods of using the same
AssigneeBuckman Laboratories International, Inc.
InventorDaniel Glover
Life of this patent
Estimating the term…
Abstract
An aqueous release aid composition is disclosed that comprises a stable emulsion of an alcohol, a fatty acid or oil, lecithin, a water soluble or water dispersible surfactant, and water. Methods of preparing such aqueous release aid compositions and methods of imparting release characteristics to various release surfaces and various viscous masses using the aqueous release aid compositions of the invention are also disclosed.
Claims47
A stable water-based release aid composition comprising:
- a) an alcohol selected from ethanol and propanol;
- b) a fatty acid or an oil;
- c) lecithin;
- d) a water soluble or water dispersible surfactant;
- e) water;
- and
- f) a thickener.
4 more elements
A water-based release aid composition comprising;
- a) an alcohol selected from ethanol and propanol;
- b) a fatty acid;
- c) lecithin;
- d) a water soluble or water dispersible surfactant;
- and
- e) water.
3 more elements
A water-based release aid composition comprising:
- a) an alcohol;
- b) a fatty acid or an oil;
- c) lecithin;
- d) a water soluble or water dispersible surfactant;
- e) water;
- and
- f) a thickener selected from the group consisting of a gum other than an alginate, an alginate, and a cellulose derivative.
4 more elements
Dependencies are inferred from the claim text.