Union Carbide Chemicals & Plastics Technology Corporation

Other

Dow Global Technolgoies LLC

The Lubrizol Corporation

The Medical College of Hampton Roads

Biomaterials Corporation

Russell Lowell Kreeger

Wing Kin Li

Edward F Diantonio

George L Brode

Tatiana V Drovetskaya

Xiaodong Zhang

Stuart Barry Polovsky

George A Salensky

Carmella A Barbeito

Emmett Malone Partain, Iii

Gustavo F Doncel

Emmet M Partain

Shuiqin Zhou

Henry L Gabelnick

Tatiana Victorovna Drovetskaya

Wing K Li

A cellulose ether having (i) one or more substituents selected from the group consisting of methyl, hydroxyethyl and hydroxypropyl, (ii) one or more hydrophobic substituents, and (iii) one or more cationic, tertiary amino, or anionic substituents, and having a retained dynamic viscosity, %&#x3b7;, of at least 30 percent, wherein %&#x3b7;=[dynamic solution viscosity at 80&#xb0; C./dynamic solution viscosity at 25&#xb0; C.]&#xd7;100, the dynamic solution viscosity at 25&#xb0; C. and 80&#xb0; being measured as 1% aqueous solution, is useful for modifying the viscosity of a composition selected from the group consisting of wellbore servicing fluids, cementitious formulations, ceramics, metal working fluids and cutting fluids.

Wellbore servicing fluid comprising a cellulose ether

A personal care composition comprising a cationically modified cellulose ether, wherein the cellulose ether comprises from 0.5 to 4 moles of an ether substituent per mole of anhydroglucose repeat unit and the cellulose ether further substituted with a cationic substituent of the formula (I) wherein R, Rand Reach independently are CHor CH, Ris CH&#x2014;CHOH&#x2014;CHor CHCH, Ais an anion, and z is 1, 2 or 3, and the cellulose ether comprises from 1.15 to 1.44 percent of cationic nitrogen, based on the total weight of the cellulose ether. The cationically modified cellulose ethers which comprise from 6,000 to 15,000 anhydroglucose repeat units are novel. 

Personal care composition

Quaternized cellulose ethers suitable for personal care products are described.

Quaternized cellulose ethers for personal care products

A cellulose ether which has from 4,000 to 10,000 anhydroglucose repeat units and is substituted with (a) on the average from 0.0003 to 0.08 moles, per mole of anhydroglucose unit, of a substituent comprising an alkyl or arylalkyl group having from 8 to 24 carbon atoms and (b) a substituent having the formula II wherein R, Rand Reach independently are &#x2014;CHor &#x2014;CH, Ris &#x2014;CH&#x2014;CHOH&#x2014;CH&#x2014; or &#x2014;CHCH, Ais an anion, and z is 1, 2 or 3 is useful in hair and skin care compositions.

Cellulose ethers

Compositions comprising alkoxylated lipophilic polyol compounds, e.g., ehtoxylated, esterified methyl glucosides, are disclosed wherein at least 5% of the polyol derivatives have about three moles of the lipophilic substituent per mole of polyol. Quite advantageously, the disclosed polyol derivatives can be dissolved into aqueous solutions to provide liquid thickeners suitable for thickening surfactant-containing compositions, e.g., shampoos, at cold processing temperatures.

Liquid thickener for surfactant systems

Compositions comprising alkoxylated lipophilic polyol compounds, e.g., ethoxylated, esterified methyl glucosides, are disclosed wherein at least 5% of the polyol derivatives have about three moles of the lipophilic substituent per mole of polyol. Quite advantageously, the disclosed polyol derivatives can be dissolved into aqueous solutions to provide liquid thickeners suitable for thickening surfactant-containing compositions, e.g., shampoos, at cold processing temperatures.

Improved contraceptive compositions are disclosed which comprise a spermicide or virucide, a polymeric delivery component and optionally a cosmetic ingredient. The improvement is directed to the use of certain hydrophobically modified polysaccharides as the polymeric delivery component. Quite advantageously, the hydrophobically modified polysaccharides of the present invention can alter sperm motility. Moreover, the hydrophobically modified polysaccharides can provide reduced irritation potential when used in combination with spermicides such as, for example, nonoxynol-9, which may reduce the potential for infection of sexually transmitted diseases such as HIV and herpes.

Contraceptive compositions

Double-substituted, water-soluble, cellulose ethers substituted with a cationic substituent and a hydrophobic substituent are disclosed. The levels of substitution for the cationic substituent and the hydrophobic substituent can provide enhanced properties when used in personal care compositions, such as, for example, enhanced substantivity, saline capability and low irritation potential to mucosal linings.

Growing community of inventors

Flemington, NJ, United States of America

Russell Lowell Kreeger