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 |
| 7390841 | Compostable vinyl halide polymer compositions and composite sheets Compositions of vinyl halide polymers such as PVC are rendered compostable by a prodegradant system of an organotitanate or zirconate and an organotin. PVC sheets and composites are compostable in landfills. ... | 06/24/2008 |
| 7326746 | Curable electron donor compositions Electron donor compounds, suitable for use as adhesives or as components in adhesives, contain a carbon to carbon double bond attached to an aromatic ring and conjugated with the unsaturation in the aromatic ring. ... | 02/05/2008 |
| 7247367 | Polyimide film and process for producing the same The polyimide film of the present invention is produced in the following manner: polyamic acid made of a combination of a specific acid anhydride constituent and a specific diamine constituent are heated under a low-pressure circumstance for heat imidation, and the ... | 07/24/2007 |
| 7226964 | Composition comprising a nitroxide, a promoter and optionally a free-radical initiator The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a nitroxide in combination with at least one crosslinking promoter (promoter... | 06/05/2007 |
| 7179519 | Polyimide/metal laminate, and electric/electronic equipment bases, magnetic recording bases, solar battery bases, coating film for aerospace materials and filmy resistance elements with the use thereof Polyimide/metal laminates having a polyimide film and a metal layer laminated thereon, wherein the polyimide film contains titanium element and flexible print wiring boards with the use of the same are disclosed. The polyimide/metal laminates are excellent in adhesi... | 02/20/2007 |
| 7101619 | Laminate The present invention provides a laminate used for a printed wiring substrate and a multilayer printed wiring board which have high heat resistance, wiring patterns with narrow pitches, vias with a small diameter, insulating layer having uniform thickness and stable... | 09/05/2006 |
| 6911265 | Laminate The present invention provides a laminate used for a printed wiring substrate and a multilayer printed wiring board which have high heat resistance, wiring patterns with narrow pitches, vias with a small diameter, insulating layer having uniform thickness and stable... | 06/28/2005 |
| 6908957 | Curable electron donor compounds Electron donor compounds, suitable for use as adhesives or as components in adhesives, contain a carbon to carbon double bond attached to an aromatic ring and conjugated with the unsaturation in the aromatic ring. ... | 06/21/2005 |
| 6322624 | Phase change ink carrier compositions containing polyanhydride/amine adducts The reaction product of at least one polyanhydride and at least one amine is disclosed. A phase change ink composition and a phase change ink containing the polyanhydride/amine adduct are also disclosed.... | 11/27/2001 |
| 6207739 | Polyamide acid composition containing metal, polyimide film, flexible printed wiring board and method for producing them The object of the present invention is to provide a polyimide film, a flexible printed wiring board consisting thereof, and a polyimide molding, wherein various metal compounds are added to improve their properties and to provide them with noble propertie... | 03/27/2001 |
| 6114419 | Fluorinated melt additives for thermoplastic polymers Fluorinated imides useful for imparting repellency of low surface tension fluids to thermoplastic polymers of formulae ##STR1## wherein R1 is F(CF2)x --(CH2)m, or F(CF2)x SO... | 09/05/2000 |
| 5989794 | Polyalkylene naphthalate comprising specific UV-absorber Disclosed is a polyalkylene naphthalate film, preferably the homopolymer of naphthalene-2,6-dicarboxylic acid and ethylene glycol (PEN), comprising a UV absorbing compound of general formula Q--CO--CO--X (explained in the description) for quenching of the... | 11/23/1999 |
| 5981637 | Rubber composition which contains anti-reversion material and tire with component thereof The invention relates to a rubber composition which contains a tris (maleamic acid derivative)amine as an anti-reversion additive. The invention also relates to a tire having a component of such rubber composition.... | 11/09/1999 |
| 5916939 | Internal mold release compositions An internal mold release system is provided which comprises (a) a polysiloxane compound; and (b) an amine salt of a carboxylic acid.... | 06/29/1999 |
| 5907129 | Syndiotactic styrenic resin composition There is disclosed a styrenic resin composition which comprises 70 to 99.9% by weight of an (A) styrenic polymer having a high degree of syndiotactic configuration and 0.1 to 30% by weight of a (B) organic compound having a --NH-- group and a molecular we... | 05/25/1999 |
| 5852107 | Internal mold release compositions An internal mold release system is provided which comprises (a) a polysiloxane compound; and (b) an amine salt of a carboxylic acid.... | 12/22/1998 |
| 5514731 | Antifouling paint This invention discloses an antifouling paint which can retain antifouling properties over a long period of time comprising: (A) 100 parts by weight of a film forming resin, and (B) 1-50 parts by weight of a chain organopolysiloxane containing oxyalkylene grou... | 05/07/1996 |
| 5420182 | Water-retaining adhesive composition A water retaining adhesive composition prepared by polymerizing and partially crosslinking 100 parts by weight of a 20 to 35 wt % solution of the acrylic polymer with 2 to 5 parts by weight of the amine group compound, amide group compound or amino group ... | 05/30/1995 |
| 5260359 | High impact flameproofed polyphenylene ether-polyamide molding materials Flameproofed thermoplastic molding materials comprises A) from 5 to 93.5% by weight of a thermoplastic polyamide, B) from 5 to 85% by weight of a polyphenylene ether, of which up to 40% by weight, based on B), may be replaced by an aromatic vinyl polymer, C) from 0... | 11/09/1993 |
| 5238984 | Dianthraquinonyl compounds Dianthraquinonyl compounds of formula ##STR1## wherein X is a radical R1, R2, R3 or R4, and R1 is alkyl or alkenyl of not less than 8 carbon atoms, R2 is --OR1 or --SR1, R | 08/24/1993 |
| 5194476 | Compositions of polyphenylene oxide or mixtures of polyphenylene oxide with beta-diketones Polymeric compositions characterized by their excellent thermal stability containing a polyphenylene ether or one of its blends with at least one (co)polymer of styrene and at least one compound belonging to the group of linear and/or cyclic beta diketone... | 03/16/1993 |
| 5191003 | Rubber composition A rubber composition comprising a rubber, a filler and a diamide compound represented by the formula: ##STR1## wherein X is hydrogen, alkyl of 1 to 18 carbon atoms, alkoxy of 1 to 18 carbon atoms, alkanoyl of 2 to 19 total carbon atoms, amino, nitro,... | 03/02/1993 |
| 5177131 | Room temperature curing composition The present room temperature curing composition comprises an organopolysilethylenesiloxane represented by the following general formula: ##STR1## wherein R1 to R4 each represent an alkyl having up to 8 carbon atoms or a phe... | 01/05/1993 |
| 4980405 | Rubber compositions Rubber compositions excellent in adhesion to metals, particularly suitable for steel cord coating rubbers, having a high vulcanizing rate and little offensive smell in an unvulcanized state, which comprise 100 parts by weight of a rubber and 0.01-1 part b... | 12/25/1990 |
| 4889879 | Thermoplastic compositions with very high content of pulverized mineral materials for incorporation in polymers Coherent thermoplastic aggregates with very high content of pulverized mineral materials, composed of the said materials, of polyolefin polymers and/or copolymers, and possibly also of various familiar adjuvants, characterized by the fact that, in order f... | 12/26/1989 |
| 4694032 | Process for preparing thermoplastic resin composition A process for preparing a thermoplastic resin composition capable of giving delustered articles which comprises blending (A) 10 to 30 parts by weight of a graft-copolymer and (B) 90 to 70 parts by weight of a copolymer, the total amount of the components ... | 09/15/1987 |
| 4692489 | Polypropylene compositions of improved clarity Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer resin synergistically improves clarity as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.... | 09/08/1987 |
| 4684683 | Injection blow molding grade propylene polymers An injection blow molding grade resin or improved clarity and processability is obtained by incorporating N,N1 -ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.... | 08/04/1987 |
| 4663375 | Process for producing heat-resisting moldings A process for producing a thermoplastic resin molding which comprises adding to a thermoplastic resin an organic compound which is compatible with said thermoplastic resin to form a homogeneous phase at a molten state of said thermoplastic resin and cause... | 05/05/1987 |
| 4524181 | Curable epoxy compositions and cured resins obtained therefrom Cured epoxy resins having reduced susceptibility to mechanical and thermal shock are prepared from a composition comprising a curable epoxide compound and elastomeric particles colloidally dispersed therein, the particles having been prepared by in situ p... | 06/18/1985 |
| 4514531 | Monolithic refractories comprising a hydrocolloid Monolithic refractories containing refractory aggregate, cement and a hydrocolloid.... | 04/30/1985 |
| 4493916 | Method for extension of pot life in curing reactions The present invention relates to a method of avoiding a too rapid curing reaction in production processes where a prepolymer is cured, giving an extension of the so-called pot life. By adding a small amount of a compound, whose structural formula comprise... | 01/15/1985 |
| 4486523 | Magnetic toner particles coated with opaque polymer particles to obscure color thereof The present invention relates to magnetic toners and processes for producing them. The toner materials that are produced have the color of the magnetic material substantially obscured while still maintaining the high percentages of magnetic materials nece... | 12/04/1984 |
| 4454276 | Polyamide acid composition for preparing polyimide and process for preparing polyimide from the same A polyamide acid composition for preparing a polyimide which can extend the pot life of the composition comprising a solution of a polyamide acid in an organic solvent, the polyamide acid being a precursor of the polyimide, a dehydrating agent, a catalyst... | 06/12/1984 |
| 4388403 | Process for the preparation of dispersions of hydrophobic substances in water Dispersions of hydrophobic substances in water are prepared by dissolving the hydrophobic substance together with an ionomeric polyaddition or condensation product in an organic, water-miscible solvent or a mixture of such a solvent with water, diluting t... | 06/14/1983 |
| 4371652 | Blend compounds of sulfonated polymers and compositions thereof This invention relates to unique and novel compositions based on chemically combining a sulfonated polymer and a tertiary amine terminated polylactone composition. The resulting amine neutralized sulfonated polymer compositions have a variety of uses incl... | 02/01/1983 |
| 4271050 | Vulcanizable rubber compositions inhibited from premature vulcanization by methylene thioethers Vulcanizable rubber compositions are described which are inhibited from premature vulcanization by activated methylene di(thioethers) in which the adjacent activating groups are either carbonyl or cyano. Novel compounds are also described.... | 06/02/1981 |
| 4176113 | Process for dyeing polyesters in the melt Use of anthraquinone derivatives of the formula ##STR1## wherein X is --NH-- or --S--, one Y is --NHCOR, R being an alkyl, aryl or heterocyclic residue, the other Y are hydrogen, Z is halogen, and n is 0, 1, 2 or 3, whereby Z may be 1 to 3 halogen bo... | 11/27/1979 |
| 4165306 | Mass-dyeing of polyester with anthraquinone and benzanthrone dyes Disclosed is mass-dyed linear, saturated, aromatic polyester comprising, as dyestuff, a compound or mixture of compounds selected from those of formulae I and II, ##STR1## wherein R1 is a radical of formula ##STR2## R2... | 08/21/1979 |
| 4154707 | Process for elastomer viscosity stabilization The viscosity of chloroprene polymers is stabilized by addition to the polymer of 0.1-5 weight % of an ester, amide, or amic acid derived from maleic acid or fumaric acid or a diacylethylene compound or from their halogenated derivatives. Stabilization of... | 05/15/1979 |