摘要:
Disclosed herein is a water-based, peroxide-stabilized, abrasive tooth whitening composition comprising: (i) a peroxide-polymer complex comprising (a) a peroxide component or a peroxide generating component; and (b) a vinyl lactam based polymer; (ii) coated abrasive particles; and one or more orally acceptable carriers. This application also provides methods for whitening the tooth surfaces by contacting with the compositions. Additionally disclosed is a process for preparing the compositions.
摘要:
This invention relates to an improved adhesive composition having extended holding power accompanied by adhesion building properties during use and having increased gel adhesion, which composition consists essentially of (a) from about 10 to about 35 wt. % lower alkyl vinyl ether-maleic acid copolymer wherein from 0 to about 90 wt. % of the copolymer carboxyl units are converted to a mixture of salts selected from the group of calcium, sodium, strontium, zinc, magnesium and potassium; (b) a crosslinked non-ionic natural guar gum in a mole ratio of between about 0.75:1 and about 5:1 with respect to the copolymer; and (c) from about 30 to about 70 wt. % oil base as a carrier. The invention also relates to the preparation and use of said adhesive for affixing dentures.
摘要:
A cosmetic composition for rejuvenating the appearance of skin with reduced or minimal potential for skin irritation, in the form of a lotion, creme, solution or gel, or applied onto a carrier, includes about 0.5 to 50 wt. % in an aqueous, alcoholic or aqueous-alcoholic solution of a solvent-free, high molecular weight terpolymer of methyl vinyl ether-maleic anhydride-isobutylene, said composition having a pH of 1.5 to 5.
摘要:
This invention relates to an improved adhesive composition having extended holding power accompanied by adhesion building properties during use and having increased gel adhesion, which composition consists essentially of (a) from about 10 to about 35 wt. % lower alkyl vinyl ether-maleic acid copolymer wherein from 0 to about 90 wt. % of the copolymer carboxyl units are converted to a mixture of salts selected from the group of calcium, sodium, strontium, zinc, magnesium and potassium; (b) an excess, with respect to said copolymer, of a non-crosslinked, non-ionic natural guar gum; and (c) from about 30 to about 70 wt. % oil base as a carrier. The invention also relates to the preparation and use of said adhesive for affixing dentures.
摘要:
An oral care composition comprising a copolymer of an alkyl vinyl ether and maleic acid or anhydride, a surface active vegetable gum, and a non-cationic antibacterial agent. The composition exhibits increased uptake and retention of the non-cationic antibacterial agent on application to teeth.
摘要:
A high load ostial or odontologic adhesive composition containing a dispersion of an innocuous adhesive polymer in an oil base and between 0.01 and 5 wt. % of a hydrolyzable phospholipid, sufficient to form a paste or gel having high cohesive strength and conformity to a mucous membrane.
摘要:
According to this invention, there is provided a denture adhesive which is a mixed partial salt of a copolymer of maleic anhydride and acrylic acid (or methacrylic acid), optionally including a C.sub.1 -C.sub.4 alkyl vinyl ether, having a weight average molecular weight of about 30,000 to 400,000, preferably about 50,000 to 350,000. The copolymer comprises about 10 to 70 mole percent, preferably 20 to 60 mole percent, of maleic anhydride, about 30 to 90 mole percent, preferably 40 to 80 percent, of acrylic acid (or methacrylic acid), and 0 to 25 mole percent of a C.sub.1 -C.sub.4 alkyl vinyl ether.
摘要:
A clear heat resistant lecithin is produced by acylating lecithin to less than 1.2 mg nitrogen per gram, adjusting the pH to the range of 7.5-9.0 and fluidizing with suitable diluents for use as a release agent for diverse applications.
摘要:
An aqueous, heat and cold stable, non-alcoholic or slightly-alcoholic microemulsion based antimicrobial mouthwash composition with improved antimicrobial efficacy. The composition comprises a unique water-soluble matrix composite, at least one water-immiscible or water-insoluble antimicrobial agent, and optionally, a preservative or preservative system, a weak carboxylic acid, a coloring agent and other additives. Examples of antimicrobial agents include menthol, thymol, eucalyptol and/or methyl salicylate. A process for preparing the oral care composition is also disclosed.
摘要:
Oral care compositions containing an oral care ingredient and a thickening agent, wherein the thickening agent comprises a strongly swellable, lightly to moderately crosslinked polyvinyl pyrrolidone. The polyvinyl pyrrolidone thickening agent is characterized by an aqueous gel volume of about 15 to 150 ml/g and a Brookfield viscosity of at least 10,000 cps for a 5% aqueous solution at 25° C.