Gelest Technologies, Inc.

Gelest, Inc.

Jonathan D Goff

Barry C Arkles

Youlin Pan

Ferdinand Gonzaga

Taewoo Min

Kerry Campbell Demella

Gerald L Larson

Li Yang

Alison Ane Phillips

Alison Anne Phillips

Tatyana Abel-Roberman

Compositions and methods for reshaping keratin-rich substrates while forming adherent flexible films contain emulsified or soluble mixtures of silanols and hemiaminals or the reaction products of silanols and hemiaminals including silylated hemiaminals. A method for treating split-ends in hair is also described.

Compositions and methods for reshaping keratin-rich substrates and forming adherent flexible films

Silicon-based tetrahydrocannabinol derivatives and methods for their synthesis are provided, in which the derivatives contain a tetrahydrocannabinol molecule and at least one silicon-based group containing Si&#x2014;O&#x2014;Si bonds. The derivatives are useful in topical and dermatological compositions, have potential beneficial topical properties, and enhance solubility and compatibility in topical and dermatological formulations containing the silicon-based materials.

Silicon-based tetrahydrocannabinol derivatives and compositions thereof

A method for forming a fluorinated oxostannate film involves vaporizing a volatile fluorinated alkyltin compound having at least two hydrolytically sensitive functional groups or at least two reactive functional groups which are sensitive to oxidation at a temperature greater than 200&#xb0; C.; providing a substrate; physisorbing or chemisorbing the fluorinated alkyltin compound onto the substrate; and exposing the physisorbed or chemisorbed fluorinated alkyltin compound to a sequence of hydrolysis, irradiation, and/or oxidation steps to form the fluorinated oxostannate thin film on the substrate. Fluorinated alkyltin compounds having formula (I) are also described, in which Ris a fluorinated or partially fluorinated linear or branched alkyl group having about 1 to about 5 carbon atoms, X is a dialkylamino group having about 1 to about 4 carbon atoms, and n is 1 or 2:(RCH)SnX&#x2003;&#x2003;(I).

Method and precursors for producing oxostannate rich films

A heterofunctional poly(alkyleneoxide) according to the invention contains a first polymer terminus containing a protected, unprotected, or derivatized amine or aminoalkyl functionality and a second polymer terminus containing an unsaturated functionality. Reaction products, derivatives, and methods of making these materials are also described.

Bifunctional poly(alkyleneoxides) with aminoalkyl and unsaturated termini and derivatives thereof

Silicon-based cannabidiol derivatives and methods for their synthesis are provided, in which the derivatives contain a cannabidiol molecule and at least one silicon-based group containing Si&#x2014;O&#x2014;Si bonds. The derivatives are useful in cosmetic and topical compositions, have potential beneficial topical properties, and enhance solubility and compatibility in cosmetic formulations containing the silicon-based materials. Silicone elastomers infused with compositions containing the silicon-based cannabidiol derivatives and trisiloxanes are also provided.

Silicon-based cannabidiol derivatives and compositions thereof

A new class of cyclotrisiloxanes having hydridosiloxanylalkyl substituents on one, two, or three of the ring silicon atoms and a method for their preparation are provided. These compounds undergo living anionic ring-opening polymerization to generate unique polymer structures.

Hydridosiloxanyl substituted cyclotrisiloxanes, preparation method thereof, and polymeric products derived therefrom

A new class of cyclotrisiloxanes having alkyl ether substituents on one, two, or three of the ring silicon atoms and a method for their preparation are provided. These compounds undergo living anionic ring-opening polymerization to generate unique polymer structures. A new class of hydridosilylethylcyclotrisiloxanes is also described.

Alkyl ether substituted cyclotrisiloxanes and preparation method thereof

A stabilized mixture containing an alkyltrialkoxysilane hydrolysate solution and an amine functional silicone emulsion is provided. The stabilized mixture may be utilized in a masonry treatment product or a cellulosic or wood treatment product, such as to provide waterproofing properties, or in a hair care treatment product for improving hair combability. A method of preparing the mixture involves hydrolyzing an alkoxysilane to form an aqueous solution containing alkylsilanetriols and/or oligomeric alkylsilanetriol condensates; and stabilizing the solution by adding an amine functional silicone.

Stabilized solutions of alkylalkoxysilane hydrolysates and flexible films formed thereof

Compositions which undergo cure by irradiation with UV, visible light or electron beam only after activation by hydroxylated surfaces or exposure to moisture are based on mixtures of cyclic thiasilanes and unsaturated silanes, siloxanes or hydrocarbons.

UV curable adhesive and coating compositions activated by surface hydroxyl groups or moisture

A novel synthetic route to new classes of polymeric coupling agents using substituted epoxy monomers is reported. In the presence of an initiating agent and tris(pentafluorophenyl)borane catalyst, substituted epoxy monomers bearing polyalkylene oxide and trialkoxysilane moieties undergo a ring-opening polymerization. The polymerization is highly versatile and allows for the fine-tuning of functional, structural, and architectural features of the resulting polymeric coupling agents. These new polyalkylene oxides substituted with organosilyl groups are capable of bonding to and modifying inorganic surfaces. The products of this invention form thin hydrophilic films.

Silyl-substituted polyalkylene oxides and methods of preparation

A convenient, practical method for forming elastomers from dual functional siloxanes that cure by a step-growth mechanism is provided. The method involves preparing a first mixture containing a first telechelic siloxane and a hydrosilylation catalyst; preparing a second mixture containing a second telechelic siloxane and a dual functional siloxane having two different polymer termini; and reacting the first mixture with the second mixture to produce the siloxane elastomer. The first and second mixtures may be stored separately until time of use.

Method for producing silicone step-growth elastomers from dual functional siloxanes

Linear siloxane polymers having low viscosities, precise molecular weights and two distinct polymer termini are provided. Preferred viscosities are greater than 5 cSt and less than 20,000 cSt, and the preferred functionalities at the polymer termini are one hydrogen and one vinyl group, each attached to a silicon atom. Methods for producing such siloxane polymers are also described In the presence of catalysts, such as Ptcomplexes, these siloxanes undergo step-growth polymerization to form elastomers at temperatures below 150&#xb0; C.

Dual functional linear siloxanes, step-growth polymers derived therefrom, and methods of preparation thereof

Novel silicon compounds containing a siloxane or silane moiety and at least one moiety derived from a furfuryl alcohol, and methods for their synthesis, are provided. The novel compounds may be used as surface modifying agents, surfactants, defoamers, and as monomers for silicone polymerization.

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Philadelphia, PA, United States of America

Jonathan D Goff