Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 4746579 | Ethylene vinyl acetate compositions for dielectric sealing applications A binder suitable for dielectric sealing may be prepared comprising a blend of a polyvinyl halide emulsion and an aqueous emulsion comprising a vinyl ester of an alkanoic acid interpolymerized with (a) 5 to 28% by weight of ethylene; (b) 0.5 to 4% by a weight ... | 05/24/1988 |
| 4740546 | Aqueous dispersion of vinyl copolymer resin An aqueous dispersion of a vinyl copolymer resin is prepared by polymerizing 1 to 15 parts by weight of a polyoxyethylene-containing hydrophilic polymerizable vinyl monomer of which polyoxyethylene moiety has an average molecular weight of 2,000 to 10,000... | 04/26/1988 |
| 4687789 | Water soluble dispersant for water-based pigment compounds comprising a terpolymer of acrylic acid methacrylic acid and itaconic acid A water soluble ethylenic copolymer-based dispersant for water-based pigment compounds, comprising a liquid phase, a binder which is an emulsion polymer, especially without protective colloids and which contains a considerable density of anionic groups, o... | 08/18/1987 |
| 4684689 | Compositions for dielectric sealing applications comprising terpolymer emulsions of ethylene, vinyl esters and n-methylol comonomers blended with PVC emulsions buffered at a pH greater than 7 A binder suitable for dielectric sealing may be prepared comprising a blend of a polyvinyl halide emulsion and an aqueous emulsion comprising a vinyl ester of an alkanoic acid interpolymerized with (a) 5 to 28% by weight of ethylene; (b) 0.5 to 4% by a weight ... | 08/04/1987 |
| 4640946 | Polyvinyl alcohol based wax-free size composition Polyvinyl alcohol based sizing solution containing a small amount of low ethylene oxide adduct of branched alcohol provides superior operability during sizing and weaving, and yields fabric that exhibits improved finishing performance.... | 02/03/1987 |
| 4621111 | Acid base interacting polymer solutions A process for increasing the viscosity of a hydrocarbon liquid having a viscosity of at least about 10 cP which includes the steps of: (a) forming a first solution of an organic hydrocarbon liquid and a hydrolyzed Ziegler-Natta ester containing copolymer of an... | 11/04/1986 |
| 4611024 | Propylene polymer composition containing a hydrotalcite and an acetal of an alditol A propylene polymer composition containing a clarifier and a small amount of a hydrotalcite to enhance the effect of the clarifier. The resulting composition is of particular value as an injection molding grade resin.... | 09/09/1986 |
| 4604416 | Methacrylic resin composition A methacrylic resin composition having excellent impact resistance and antistatic property is described. This composition comprises (I) 50-99.8 wt. % of a methacrylic resin comprised of 80-100 wt. % of methyl methacrylate units and 0-20 wt. % of other cop... | 08/05/1986 |
| 4602055 | Process for pad dyeing cellulosic textile materials Cellulosic textile material is dyed with substantive dyes or preferably with reactive dyes. Dyeing is carried out by applying to the cellulosic material an aqueous dye liquor which contains, in addition to the dye, a graft polymer which is obtained from a... | 07/22/1986 |
| 4600770 | Water soluble imide coating composition and method of making from lactam, dianhydride and diamine Methods of making water soluble polyimide resin compositions. A carboxy terminated bisimide is prepared by reacting a suitable aromatic dianhydride with a suitable oxoimine. The bisimide is then mixed with a sufficient quantity of a water soluble solvent ... | 07/15/1986 |
| 4594389 | Blends of higher - olefin polymers and 1,2-epoxide polymers There is disclosed a rubbery composition comprising a blend of between 95/5 and 5/95 weight percent of (1) a rubbery interpolymer consisting of (a) at least 80 weight percent of at least one -olefin containing from 5 to 10 carbon atoms and (b) up t... | 06/10/1986 |
| 4530880 | Granular organohalide flame retardant additive A granular flame retardant additive is provided comprising from 70 to 99.5% by weight of an organohalide flame retardant and from 0.5 to 30% by weight of thermoplastic synthetic resin as a binder. The additive is easy to handle and resistant to disintegra... | 07/23/1985 |
| 4525510 | Thermosetting latex coating compositions produced by copolymerization in aqueous emulsion in the presence of water-insoluble polyhydric alcohol A thermosetting latex coating composition is disclosed and comprises a copolymer of monoethylenically unsaturated monomers copolymerized in aqueous emulsion in the presence of an anionic surfactant and about 1% to about 25% of a liquid water-insoluble pol... | 06/25/1985 |
| 4510284 | High solids baking finishes Baking finishes having a high solids content contain, as the binder, a copolymer of one or more mono-acrylate or monomethacrylate of an alkanediol, an ester of acrylic or methacrylic acid whose homopolymer has a glass transition temperature of below -40°... | 04/09/1985 |
| 4497923 | Shear thickening of organic diluents via interpolymer complexes The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of an anionic polymer dissolved in the organic liquid; forming a second solution of a cationic polymer dissolved ... | 02/05/1985 |
| 4486565 | Primer compositions for improving adhesion of abrasion resistant silicone coatings to plastic surfaces Primer compositions are disclosed for improving the adhesion of abrasion resistant polysiloxane coatings to plastic substrates. The primers contain a thermosettable acrylic resin, an aminofunctional organosilicon compound, and optionally an ultraviolet li... | 12/04/1984 |
| 4460734 | Self-leveling floor polish compositions This invention relates to self-leveling floor polish polymer compositions which may be formulated into floor polishes without requiring the use of additional leveling agents. These compositions are prepared by treating conventional floor polish emulsions ... | 07/17/1984 |
| 4455402 | (Meth)acrylate film-forming polymers prepared with an in process coalescent Two stage film-forming polymers having a soft first and a hard second stage are prepared by emulsion polymerizing the first stage and then, in the presence of a coalescent, the second stage. The polymers combine low MFT with superior early block resistanc... | 06/19/1984 |
| 4427812 | Interfacial viscosification of salt water systems utilizing sulfonated ionomers The present invention relates to a process for the gelation (i.e. thickening) of salt water which includes the steps of forming a solvent system of an organic liquid or oil and a polar cosolvent, the polar cosolvent being less than about 15 weight percent... | 01/24/1984 |
| 4416941 | Additive for coating compositions of silica and a fluorinated ethylene oxide polymer A rheology control additive of (1) colloidal silica and (2) a nonionic fluorocarbon polymer having ethylene oxide linkages and a weight average molecular weight of about 5,000-50,000 and contains about 2-25% by weight of fluorine; high solids coating compositi... | 11/22/1983 |
| 4415691 | Anti-block additives for olefin polymers Extrusion-cast films of high molecular weight, linear, low density ethylene copolymers which inherently have high block and high cling characteristics are compounded with a minor amount of a low molecular weight organic, such as a polyglycol, before being... | 11/15/1983 |
| 4413110 | High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore Solutions of ultrahigh molecular weight polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length. The first gels ... | 11/01/1983 |
| 4410601 | Colloidal solutions, processes for producing the same and uses thereof A process for producing a colloidal solution of a curable resin which comprises: blending (a) 5 to 90% by weight of a polyfunctional maleimide component and (b) 95 to 10% by weight of at least one thermosetting resin, heating them to form a composition, and bl... | 10/18/1983 |
| 4394418 | Aqueous sizing composition and glass fibers made therewith for reinforcing thermosetting polymers An aqueous sizing composition for glass fibers and the resultant sized glass fiber strands are provided, where the sized glass fiber strands have an improved slip/flow property and resultant thermosetting articles reinforced with the sized glass fiber str... | 07/19/1983 |
| 4393160 | Aqueous developable poly(olefin sulfone) terpolymers This invention relates to novel terpolymers of 3-methylcyclopentene, 2-cyclopentene-1-acetic acid and sulfur dioxide. Positive electron beam resist media prepared from the subject terpolymers possesses excellent sensitivity and development latitude and un... | 07/12/1983 |
| 4386181 | Heat-aging-resistant rubber composition A heat-aging-resistant rubbery polymer composition comprising a rubbery polymer, at least one compound selected from the group consisting of diphenylamine derivatives and phenol derivatives as an age resister for said rubbery polymer, and polyalkylene eth... | 05/31/1983 |
| 4379913 | Compositions useful as internal antistatic additives for polymeric structures Chain extended random alkoxylated polyols having branched configurations are useful as internal antistatic additives for polymeric structures. A polyol having a branched configuration is alkoxylated with a mixture of ethylene oxide and propylene oxide and... | 04/12/1983 |
| 4378440 | Self-extinguishing polystyrenic compositions and process for their preparation Disclosed are self-extinguishing polystyrenic compositions with improved thermal stability properties, comprising a styrenic resin and a fire-retardant agent which can either comprise solely a brominated pentaerythritol having at least one free-OH group o... | 03/29/1983 |
| 4373043 | Color deepening agent A color deepening agent comprises (a) an aqueous resin composition obtained by polymerizing a monomer having a polymerizable unsaturated bond, in the presence of a polyurethane emulsion having a thermosetting reactivity, the refractive index of a dry film... | 02/08/1983 |
| 4366001 | Organo-functional polysiloxane compositions for fiber-treating Fiber-treating compositions are disclosed which contain two types of organofunctional polysiloxanes, one bearing amino-functional organic radicals or carboxy-functional organic radicals or epoxy-functional radicals and the other bearing another type of or... | 12/28/1982 |
| 4365036 | Fast crystallizing polyalkyleneterephthalate resin compositions The fast crystallizing polyalkyleneterephthalate resin compositions disclosed herein contain 0.025-2 percent by weight of NaI in the form of a selected complex of sodium iodide (NaI) and an organic compound, such as a polymeric compound, which contains at... | 12/21/1982 |
| 4338240 | Curable material and process for production thereof A curable urethane material which shows no change in volume on polymerization and curing is prepared from polyisocyanate compound, polyhydroxy compound and a new compound 1-alkyl-4-hydroxymethyl-2,6,7-trioxabicyclo[2,2,2]octane.... | 07/06/1982 |
| 4337319 | Self-extinguishing, fine particulate expandable styrene polymers Self-extinguishing, fine particulate, expandable styrene polymers for the manufacture of molded articles, containing bromine compounds and one synergist. The synergist, referred to the styrene polymer, is at least one hydrocarbon present in amounts from a... | 06/29/1982 |
| 4194981 | Polyurethane of neopentyl glycol-phosphosulfurized polyolefin and lubricant containing same A polyurethane polymer which is the reaction product of a diisocyanate and a particular polyol adduct is described. The polyurethane polymer is a low molecular weight polyurethane polymer particularly useful as a dispersant in lubricating oils. Disclosed ... | 03/25/1980 |
| 4175068 | Water-soluble coating composition There is disclosed a water-soluble coating composition having excellent properties including corrosion resistance, adhesion, impact resistance and so on. The coating composition comprises an adduct of a butadiene lower polymer or copolymer and ,&#x... | 11/20/1979 |
| 4173561 | Flame retardant polymer composition Resin compositions excellent in both flame retardation and weather durability, comprising (1) a styrene resin, (2) a halogen-containing flame retarder such as decabromodiphenyl ether and (3) an inorganic hydrate compound such as diatomaceous earth or a ma... | 11/06/1979 |
| 4159975 | Polyether lubricants for use in the processing of plastics A lubricant for use in the processing of plastics is disclosed. The lubricant comprises a polyalkylene oxide made from a monomer selected from the group consisting of aliphatic, non-substituted, 1,2-alkylene oxides containing from about six to about 40 ca... | 07/03/1979 |
| 4144216 | Room temperature vulcanizable organic solvent dispersions of silicone elastomers A mixture of a hydroxyl endblocked polydimethylsiloxane, ethylpolysilicate, monoorganotriacetoxysilane, organotin carboxylate, an extending filler and organic solvent provides dispersions which cure to silicone elastomers at room temperature. These compos... | 03/13/1979 |
| 4104452 | Vinyl polymer-fluoroalkylether oligomer composition A vinyl polymer-fluoroalkylether oligomer composition useful as a structu material, filament, adhesive, or abhesive which comprises: A vinyl polymer selected from the class consisting of polyvinylchloride, polyvinylidene chloride, copolymers of vinylidene chl... | 08/01/1978 |
| 4086191 | Particulate expandable styrene polymers for the manufacture of foams Particulate expandable styrene polymers which contain from 0.0001 to 0.2% by weight, based on the styrene polymer, of an inhomogeneously distributed nucleating agent for expandable polystyrene, the nucleating agent being present only in a peripheral zone ... | 04/25/1978 |
