An anhydrous skin treatment composition is provided which includes a crosslinked siloxane elastomer gel of specific yield point, a skin conditioning agent and a volatile siloxane. Inclusions of the select elastomers provide improved uniform distribution of the pigments.

Anhydrous cosmetic compositions

There is disclosed a pressure-sensitive adhesive composition based on a silicone resin and a polydiorganosiloxane polymer wherein the resin component has a number average molecular weight of about 950 to 1,600 and consists essentially of triorganosiloxy (M) units and silicate (Q) units wherein the molar ratio M/Q is in the range 1.1/1 to 1.4/1, inclusive. The adhesives of the invention exhibit improved adhesion to low energy substrates such as polyethylene and polytetrafluoroethylene.

Silicone pressure sensitive adhesives having enhanced adhesion to low energy substrates

A non-aqueous silicone emulsion containing a silicone phase and an organic phase is useful as a component in various personal care compositions. The silicone phase contains a crosslinked silicone elastomer and a low molecular weight silicone fluid and the organic phase contains an organic liquid.

Non-aqueous silicone emulsions

Novel silsesquioxane polymers are formed by methods which avoid the use of BBr3. The novel silsesquioxane polymers are especially useful in negative photoresist compositions and photolithographic processes. Alternatively, improved silsesquioxane polymer-containing negative photoresist compositions are obtained by using a polymer component containing a blend of silsesquioxane polymer and non-silsesquioxane polymer. The photoresist compositions provide improved dissolution characteristics enabling the use of 0.26 N TMAH developer. The photoresist compositions also provide improved thermal characteristics enabling use of higher processing temperatures. The photoresist compositions are especially useful in a multilayer photolithographic processes and are capable of producing high resolution.

Silsesquioxane polymers, method of synthesis, photoresist composition, and multilayer lithographic method

Hot-melt silicone pressure sensitive adhesive compositions, methods of using the compositions, articles made using the compositions, and methods of making articles using the compositions. The hot-melt silicone pressure sensitive adhesive compositions include a mixture of (i) a silicone resin, (ii) a polyolimethylsiloxane fluid, and (iii) from about 0.5 to about 20 weight percent, based on the total weight of the silicone resin and the polydimethylsiloxane fluid, of a polyphenylmethylsiloxane fluid having a viscosity at 25° C. of from about 5 to about 60,000 centistokes so that the adhesive will be in a generally flowing state at temperatures above about 100° C., as well as being capable of transdermal drug delivery.

Hot-melt silicon pressure sensitive adhesives with phenyl-containing siloxane fluid additive and related methods and articles

Compositions curable to pressure sensitive adhesives are disclosed which comprise from 30 to 50 parts of a vinyl endblocked polydiorganosiloxane fluid having a viscosity from 500 to 10,000 centipoise at 25° C, from 50 to 70 parts of a benzene soluble resin copolymer having Rsub3 SiOsub1/2 units and SiOsub4/2 units, an organopolysiloxane having silicon bonded hydrogen atoms for the purpose of curing the composition and developing the PSA properties, and a platinum catalyst for the curing process

Addition cured silicone pressure sensitive adhesive

Synthesis of the polyformal of bisphenol A

A composition comprising the hydrosilylation addition product of a linear alkenyl functionalized polyorganosiloxane and an M H Q resin and a low molecular weight silicone when subjected to a new particle size reduction process that includes flow induced shearing provides for components in personal care formulations that have improved spreadability and substance as a consequence of a unique multiple particle size distribution.

Elastomer dispersion having a unique particle size distribution

Aromatic tetracarboxylic acids can be prepared by effecting reaction between a 4-nitro-N-alkylphthalimide with an aromatic dihydroxy compound in the presence of potassium carbonate as a catalyst and using dimethyl sulfoxide as a solvent.

Preparation of aromatic tetracarboxylic acids

Low molecular weight, high alkenyl content silicone resins of the general formula My Mvi z Da Dvi b Tc Tvi d Q or My Mvi z Da Dvi b Tc Tvi d are disclosed, their use in curable liquid injection molding compositions, a process for varying the cure properties of such compositions and articles of manufacture made thereby and therewith.

Low molecular weight liquid injection molding resins having a high vinyl content

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