Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 6388005 | Emulsion and process of preparing emulsions and oily compositions An emulsion of silicone oil or organic oil possesses excellent stability and contains cross-linked particles in drops of silicone oil or organic oil dispersed in water. The particles have an average diameter of 0.05 μm to 100 μm and are prepared by hydr... | 05/14/2002 |
| 6350384 | Silicon containing multi-arm star polymers Multi-arm star polymers are derived from silicon containing dendrimers and have arms containing the moiety ##STR1## where each R' can be the same or different and is an alkyl group containing 1-6 carbon atoms such as methyl and ethyl or an aryl group such... | 02/26/2002 |
| 6239245 | Resin additive, curable resin composition, and cured resin There is provided (i) a resin additive able to impart superior thermal shock resistance even in the case of resins that have absorbed moisture, (ii) a curable resin composition capable of forming a cured resin that has superior thermal shock resistance ev... | 05/29/2001 |
| 6238657 | Oil-in-oil and three-phase emulsions Three-dimensional silicone elastomers having polyether and higher alkyl functionality in their molecules form networks of crosslinked linear siloxanes with polyether and olefin containing repeating units, and these silicone elastomers can be used as emuls... | 05/29/2001 |
| 6238656 | Cosmetic raw materials, cosmetic products, and methods of manufacturing cosmetic products A cosmetic raw material provides uniform dispersions of silicone oils and crosslinked silicone particles in cosmetic products. The cosmetic products consist of the cosmetic raw material combined with other types of cosmetic raw materials. This provides pl... | 05/29/2001 |
| 6211267 | Method for the continuous production of organopolysiloxane gum solution A highly productive method for the continuous production of homogeneous solutions of organopolysiloxane gums is carried out by mixing a solvent and an organopolysiloxane gum. It is characterized by using for mixing, a twin screw compounding extruder which... | 04/03/2001 |
| 6133370 | Silicone polyethers with arylalkyl groups A composition which is a silicone polyether containing arylalkyl groups, most preferably an arylalkyl group such as the 2-phenylpropyl group, i.e., --CH2 CH(C6 H5)CH3. The compositions demonstrate improvements i... | 10/17/2000 |
| 6121404 | ଲ-diketo functional organosilicon compounds A method of making ଲ-diketo functional silanes and siloxanes in which the acetoacetic ester moiety, i.e., ଲ-diketo CH3 COCH2 CO--, is attached to the oxygen or nitrogen atoms of C--OH or C--NH2 containing funct... | 09/19/2000 |
| 6103848 | Method of rendering substrates water repellent using hyperbranched polymers containing silicon atoms Substrates are rendered water repellent by applying to the substrate a hyperbranched polymer containing a silicon atom made by polymerizing a derivatized aminofunctional organosilicon monomer which is the reaction product of an amine functional silane mon... | 08/15/2000 |
| 6103001 | Stable, constant particle size, aqueous emulsions of nonpolar silanes suitable for use in water repellence applications This invention relates to a stable aqueous silane emulsion with constant particle size. The emulsion comprises a continuous water phase, a discontinuous silane phase, and an emulsifier system. The emulsifier system contains a primary surfactant and a cosu... | 08/15/2000 |
| 6087317 | Particle size stable silicone emulsions By using a nonionic surfactant as the primary emulsifier having an hydrophilic-lipophilic balance (HLB) greater than about 13, at a concentration sufficient to provide about 0.5-3 molecules per 100 square Å of surface area of silicone particles; and a no... | 07/11/2000 |
| 5965684 | Photoluminescent polydisilacyclobutanes Photoluminescent polydisilacyclobutanes are made by reacting a dialkenyldihalocarbosilane with an organolithium reagent in the presence of a solvent at 0-25 ° C.... | 10/12/1999 |
| 5900459 | Silicone release agent and method A method of improving the release and antideposition characteristics of a hard impermeable surface. A hard impermeable surface is coated with a film of an aqueous solution. The solution is formed by combining (i) a dimer of at least two alkoxy functional ... | 05/04/1999 |
| 5891548 | Encapsulated silica nanoparticles A curable silicone is used to encapsulate porous, photoluminescing silica nanoparticles having three-dimensional, web-like structures. The encapsulation protects the silica nanoparticles, preserves their photoluminescent effect, and can be used as a coati... | 04/06/1999 |
| 5861469 | Photoluminescent bicyclic polydislacyclobutanes Photoluminescent bicyclic polydisilacyclobutanes are made by reacting a dialkenyldihalocarbosilane with an organolithium reagent in the presence of a solvent at 0°-25° C.... | 01/19/1999 |
| 5840813 | Homopolymerization of acrylate or methacrylate endblocked polydiorganosiloxanes Method for homopolymerization of polyorganosiloxane macromonomers having acryloxy or methacryloxy groups. A miniemulsion of a methacryloxy functional polydimethylsiloxane macromonomer was prepared by mixing the macromonomer with a surfactant(s), and subje... | 11/24/1998 |
| 5840831 | Cured silicone powder and method of preparation A cured silicone powder inhibited from evolving unpleasant odors with the passage of time, and an efficient method for preparation of the cured silicone powder, in which the surface of the cured silicone powder is treated with an alkali, by dipping the cu... | 11/24/1998 |
| 5834416 | Azeotropes of alkyl esters and hexamethyldisiloxane Binary azeotrope and azeotrope-like compositions contain the alkyl esters n-propyl acetate (NPA) and sec-butyl acetate (SBA) respectively, with hexamethyldisiloxane (MM), and are useful for cleaning, rinsing, or drying.... | 11/10/1998 |
| 5830969 | Silyl ester initiators for ring opening polymerization of cyclosiloxanes Method of making polysiloxanes by ring opening polymerization of dimethylcyclosiloxanes such as hexamethylcyclotrisiloxane (D3), and cyclosiloxanes such as 1,3,5-trimethyl-1,3,5-tris(3',3',3'-trifluoropropyl) cyclotrisiloxane (F3 | 11/03/1998 |
| 5824632 | Azeotropes of decamethyltetrasiloxane Binary azeotrope and azeotrope-like compositions contain 1-butoxy-2-propanol, 1-(2-methoxy-1-methylethoxy)-2-propanol, 1-(2-ethoxy-1-methylethoxy)-2-propanol, 1-(2-propoxy-1-methylethoxy)-2-propanol, and 1-(2-methoxy-1-methylethoxy)-2-propanol-acetat... | 10/20/1998 |
| 5824443 | Method of manufacturing sililcon-type charge transporting materials A method of manufacturing solvent-soluble charge transporting materials capable of imparting charge-tranporting properties to polysiloxane resins. These materials have the formula A-R1 SiR23-n Qn !p... | 10/20/1998 |
| 5811487 | Thickening silicones with elastomeric silicone polyethers Low molecular weight siloxane fluids are thickened by silicone elastomers. The silicone elastomers are made by crosslinking reactions of .tbd.Si--H containing siloxanes and an unsaturated hydrocarbon such as an alpha, omega-diene, in the presence of a low... | 09/22/1998 |
| 5806975 | Method for continuous emulsifying organopolysiloxane gums A method of continuous emulsification that can emulsify high-viscosity organopolysiloxane gums and is capable of continuous mass production. A compounding extruder is used whose barrel 1 contains at least 2 mixing element-equipped shafts 3 installed in pa... | 09/15/1998 |
| 5789516 | Method of making silicone-organic block copolymers A method of manufacturing block copolymers containing a polyorganosiloxane segment, by dual polymerization involving (i) polycondensation of a silicone block followed by (ii) the free radical polymerization of a monomer that can be polymerized by free rad... | 08/04/1998 |
| 5789503 | Polymerization of vinyl monomers from silanes and siloxanes A method in which radical polymerization of a vinyl monomer is initiated by an ozonide group attached to a silane or a siloxane polymer. The method is particularly useful for preparing organic polymers having a silicone chain end, or for preparing wide ra... | 08/04/1998 |
| 5776454 | Permanent waving with mercaptosilicones A process for permanent waving of hair by a reaction in which cystine bridges are reduced to cysteine, the hair reshaped, and the reaction reversed. The improvement in the process resides in the step of reducing or reversing the reaction by applying to ha... | 07/07/1998 |
| 5777051 | Photoluminescent silacyclobutene monomers and polymers Silacyclobutene monomers, and polymers based on silacyclobutene building blocks, exhibit photoluminescence in the blue region of the visible spectrum when excited by ultraviolet light.... | 07/07/1998 |
| 5770022 | Method of making silica nanoparticles A method of making silicon oxide nanoparticles possessing photoluminescence in the blue and green part of the visible spectrum when irradiated with ultraviolet (UV) light. The silicon oxide nanoparticles are formed in a chamber containing a direct current... | 06/23/1998 |
| 5766323 | Cementitious materials A cementitious material in powder form comprising cement, also comprises sufficient of a granulated hydrophobing additive, which comprises from 5 to 15 parts by weight of an organopolysiloxane component, from 10 to 40 parts by weight of a water-soluble or... | 06/16/1998 |
| 5750098 | Silicone compositions for skin care A composition for conditioning the skin which includes a silicone gum, a volatile methylsilicone fluid, and a volatile alkylmethylsiloxane. When applied to the human skin, the composition adsorbs approximately twenty percent faster, has a less greasy feel... | 05/12/1998 |
| 5741850 | Method for the continuous preparation of organopolysiloxane emulsions A method capable of the continuous mass-production without pressurization and using a low drive force of highly uniform and very storage-stable organopolysiloxane emulsions. The method for the continuous preparation of organopolysiloxane emulsions include... | 04/21/1998 |
| 5705562 | Spontaneously formed clear silicone microemulsions A method of spontaneously forming a highly stable clear microemulsion by combining (i) water; (ii) a volatile cyclic methyl siloxane or volatile linear methyl siloxane; and (iii) a silicone polyether surfactant. The amounts of each component are such that... | 01/06/1998 |
| 5665796 | Method for the continuous preparation of organopolysiloxane emulsions Method and apparatus for preparing uniform highly dispersed emulsions by using a low drive power and without pressurization, making possible continuous mass production of uniform organopolysiloxane emulsions. An organopolysiloxane, water and a emulsifying... | 09/09/1997 |
| 5665804 | Silicone latex solvent thickening The viscosity of a solvent is modified by thickening the solvent with a silicone latex. A silicone latex having a plurality of crosslinked polysiloxane particles is first prepared by mixing the siloxane polymer, a surfactant, and water; emulsifying the mi... | 09/09/1997 |
| 5661208 | Rubber and vinyl protectant A dry, non-oily, non-greasy, rubber or vinyl surface protectant contains a silicone component and an acrylic component in its formulation. When only the silicone component is applied to rubber and vinyl surfaces, the surfaces become glossy but feel oily. ... | 08/26/1997 |
| 5661215 | Microemulsions of gel-free polymers Described is a method of preparing microemulsions of organopolysiloxanes, by copolymerizing a cyclic siloxane and a polyfunctional silane, in an aqueous medium containing a nonionic surfactant, an anionic or cationic surfactant, and a catalyst, until the ... | 08/26/1997 |
| 5654362 | Silicone oils and solvents thickened by silicone elastomers Silicone gels are made by reacting an .tbd.Si--H containing polysiloxane with an alpha, omega-diene. The reaction is conducted in the presence of a platinum catalyst and in the presence of a low molecular weight silicone oil. The reaction is continued unt... | 08/05/1997 |
| 5652376 | Method of measuring yield stress The yield stress of rheologically plastic fluids such as coatings, sealants, and personal care lotions, determines their tendency to flow at low gravitational stress. Yield Stress is the apparent threshold stress above which flow is observed on an arbitra... | 07/29/1997 |
| 5637668 | Preparation of polyorganosiloxanes by interfacial polymerization A process for manufacturing high molecular weight polysiloxane copolymers by interfacial polymerization. The polysiloxanes may contain phenylmethyl siloxane blocks and dimethyl siloxane blocks, alternately polymerized together to form an (Am B | 06/10/1997 |
| 5633303 | Organopolysiloxane gum emulsion An organopolysiloxane gum emulsion is afforded by the emulsification of an organopolysiloxane gum in water. The organopolysiloxane gum emulsion is useful as a cosmetic base, lustrant, lubricant, antifoam, fiber-treatment agent, and paint additive. The org... | 05/27/1997 |
