Abstract: An aqueous solution comprising a cationic polymer dissolved in water, wherein said cationic polymer comprises a hydrophobic quaternary ammonium group covalently attached to a hydroxyethyl cellulose polymer backbone. Also, a method of delivering a drug to a mucosal surface in a living body, said method comprising applying the aqueous solution to said mucosal surface.

Abstract: The disclosure provides personal care composition comprising guar derivative, wherein the guar derivative is chemically modified on the galactomannan polymer through an ethoxyl, propoxyl, or hydroxypropoxyl linking group with a tertiary cyclic amine compound.

Abstract: A laundry detergent comprising: (a) from 10 to 86 wt % surfactants, (b) from 0.05 to 2 wt % imidazole-modified carbohydrate polymer, (c) from 0.1 to 10 wt % builders and sequestrants and (d) from 2 to 88 wt % water.

Abstract: A fabric care composition comprising a modified carbohydrate polymer having quaternary ammonium groups having at least one C8-C22 alkyl or alkenyl group. The modified carbohydrate polymer has a weight-average molecular weight of at least 500,000.

Abstract: A laundry detergent comprising: (a) from 10 to 86 wt % surfactants, (b) from 0.05 to 2 wt % imidazole-modified carbohydrate polymer, (c) from 0.1 to 10 wt % builders and sequestrants and (d) from 2 to 88 wt % water.

Abstract: Described are fabric and surface care compositions comprising a tertiary amine substituted cellulose derivative and at least one surfactant.

Abstract: 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, %?80/25, of at least 30 percent, wherein %?80/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.]×100, the dynamic solution viscosity at 25° C. and 80° 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.

Abstract: Novel nonionic cellulose ethers exhibit a reduced degree of thermal thinning and are efficient thickeners at elevated temperatures. The nonionic cellulose ether has hydroxyethyl groups and is further substituted with one or more hydrophobic substituents. The cellulose ether further has at least one of the properties a), b) or c): a) a retained dynamic viscosity, % ?80/25, of at least 30 percent, wherein % ?80/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.] 100, the dynamic solution viscosity at 25° C. and 80° C. being measured as 1% aqueous solution; b) a storage modulus of at least 15 Pascals at 25° C. and a retained storage modulus, % G?80/25, of at least 12 percent, wherein % G?80/25=[storage modulus at 80° C./storage modulus at 25° C.] 100, the storage modulus at 25° C. and 80° C. being measured as a 1% aqueous solution; c) a critical association concentration of less than 15 ppm as measured by light-scattering.

Abstract: Described are fabric and surface care compositions comprising a tertiary amine substituted cellulose derivative and at least one surfactant.

Abstract: 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, % ?80/25, of at least 30 percent, wherein % ?80/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.]×100, the dynamic solution viscosity at 25° C. and 80° 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.

Abstract: Novel nonionic cellulose ethers exhibit a reduced degree of thermal thinning and are efficient thickeners at elevated temperatures. The nonionic cellulose ether has hydroxyethyl groups and is further substituted with one or more hydrophobic substituents. The cellulose ether further has at least one of the properties a), b) or c): a) a retained dynamic viscosity, %?80/25, of at least 30 percent, wherein % ?180/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.? 100, the dynamic solution viscosity at 25° C. and 80° C. being measured as 1% aqueous solution; b) a storage modulus of at least 15 Pascals at 25° C. and a retained storage modulus, % G?80/25, of at least 12 percent, wherein %G?80/25=[storage modulus at 80° C./storage modulus at 25° C.] 100, the storage modulus at 25° C. and 80° C. being measured as a 1% aqueous solution; c) a critical association concentration of less than 15 ppm as measured by light-scattering.

Abstract: Cellulose ether derivatives comprising a hydrophobic substituent having an unsaturated alkyl portion are disclosed. The unsaturation in the alkyl portion of the hydrophobic substituent can promote crosslinking of the cellulose ether derivative. The cellulose ether derivatives are useful as ingredients in latex compositions. The cellulose ether derivatives can provide associative thickening and rheological properties to latex composition during storage and application. In addition, after the latex composition is applied to the surface to be coated, the cellulose ethers of the present invention can promote crosslinking of the latex film to provide a hard and durable coating. Latex paint compositions comprising the cellulose ether derivatives of the present invention are also disclosed.

Abstract: Binary polymer mixtures of albumin and glycosaminoglycan and ternary polymer mixtures of polyionic polypeptide and high molecular weight and highly charged polyanions are useful for managing skin including wrinkles or other irregularities. Aqueous compositions of the ternary mixtures have pH dependent phase change properties and provide skin activated films.

Abstract: A biocompatible, film-forming delivery system for the delivery of pharmaceutical or therapeutic actives to a desired topical site of a subject, the system including:an active salt compound, wherein the active salt compound is at least a partial salt of(1) a carboxylic acid moiety-containing, biocompatible, film-forming polymer with(2) at least one active selected from the group consisting of pharmaceutical actives, therapeutic actives and a combination thereof, wherein the at least one active is capable of complexing with at least one carboxylic acid moiety of the polymer to form the active salt compound, andwherein the active salt compound forms an active salt compound film on the topical site and the active salt compound disassociates into the polymer and the at least one active while the delivery system is in contact with the topical site such that the polymer remains thereon as a polymer film and the at least one active is delivered to the topical site in an absorbable form.

Abstract: Delivery systems containing at least one aminopolysaccharide derivative are provided for the delivery of pharmaceutical or therapeutic actives to a desired topical or mucous membrane site in a subject, and wherein upon delivery, the systems provides a biocompatible, substantive, gas permeable, film from which actives are available at the designated site.

Abstract: Heterogeneous acid decrystallization of aminopolysaccharides, especially chitosen, using diluent, organic acid and water, provides novel salts and covalent derivatives useful in diverse applications including biomedicine, personal care and fluid separation.

Abstract: Combinations of glycosaminoglycan and certain cationic polymers provide modified glycosaminoglycan properties and can provide substantivity to keratinous material, compatibility, stability, humectancy, rheology and other properties useful in personal care or medical applications.

Abstract: Water-soluble polysaccharides, including cellulose ethers, containing pendent vicinal dihydroxy structure capable of cis geometry, which upon crosslinking with a polyvalent metal, have shear-thermal stability characteristics of at least about 30 at 250.degree. F., are useful in oilfield applications.