| Patent Number |
Title Of Patent |
Date Issued |
| 7622054 |
Low volatile phosphorous gelling agent |
November 24, 2009 |
| Liquid hydrocarbons are gelled by the introduction of a phosphate ester and a crosslinking agent for use in oil recovery. Generally a proppant, delayed gel breaker and other modifiers are added to the gelled hydrocarbon to improve the oil recovery process. The phosphate ester used in |
| 7271211 |
Dispersions containing fatty acid esters of styrenated phenol alkoxylates |
September 18, 2007 |
| The present invention provides a dispersant for aqueous and non-aqueous systems which can disperse insoluble fine powders in non-aqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions without allowing the formation of hard cake or |
| 7205352 |
Dispersions containing fatty acid esters of styrenated phenol alkoxylates |
April 17, 2007 |
| The present invention provides a dispersant for aqueous and non-aqueous systems which can disperse insoluble fine powders in non-aqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions without allowing the formation of hard cake or |
| 6736892 |
Pigment dispersions containing styrenated and sulfated phenol alkoxylates |
May 18, 2004 |
| The present invention provides sulfated and carboxymethylated surfactants and dispersants produced by reacting a styrenated phenol alkoxylate with sulfamic acid and then neutralizing with a base such as ammonium hydroxide. The instant invention also provides pigment dispersion compri |
| 6692728 |
Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof |
February 17, 2004 |
| The present invention provides biodegradable polyesters based on lower hydroxy acids and hydroxy fatty acids. The resulting polyesters are useful as cosmetic vehicles for sunscreens, skin lotions and by themselves are also useful as milder skin exfoliants. |
| 6540987 |
Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof |
April 1, 2003 |
| The present invention provides biodegradable polyesters based on lower hydroxy acids and hydroxy fatty acids. The resulting polyesters are useful as cosmetic vehicles for sunscreens, skin lotions and by themselves are also useful as milder skin exfoliants. |
| 6500981 |
Hydroxy and sulfonic acid substituted alkenes and salts |
December 31, 2002 |
| The present invention provides water soluble ethylenically unsaturated monomers selected from the group consisting of formula I and II ##STR1##wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are independently selected from the group consisting of hydrogen, and C.sub.1 |
| 6387137 |
Hydrocarbon gels |
May 14, 2002 |
| Liquid hydrocarbons are gelled by the introduction of a phosphate ester and a crosslinking agent. Gelling times and viscosities are improved through the use of an enhancer which is, preferably, an oxyalkylated amine or a blend of an oxyalkylated amine with another amine or a non-nitr |
| 6342468 |
Hydrocarbon gelling compositions useful in fracturing formations |
January 29, 2002 |
| The invention relates to compositions and methods for gelling liquid hydrocarbons by the introduction of certain phosphate esters, a crosslinking agent, and an enhancer. The enhancer of the present invention is preferably an oxyalkylated amine or a blend of an oxyalkylated amine with |
