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Inventor:
Weipert; Paul David
Address:
High Point, NC
No. of patents:
6
Patents:




Patent Number Title Of Patent Date Issued
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


 
 
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