Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7648772 | Moisture resistant container A sheet of cellulose based material having enhanced strength, particularly the dry strength, substantially unaffected repulpability is disclosed. The sheet of cellulose based materials generally includes a first cellulose based material connected with a second cellu... | 01/19/2010 |
| 6805951 | Process for the production of a floor strip A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fibre board or a particle board with a rectangular cross section and at least two opposite rounded-off edges. ... | 10/19/2004 |
| 6568148 | Covering element for building surfaces or the like and method for the production thereof The present disclosure involves a covering element for building surfaces and a method for the production thereof. The covering element includes a decorative visible side generally having a support plate having top and bottom surfaces, an upper transparent... | 05/27/2003 |
| 6517935 | Process for the production of a floor strip A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fiberboard or a particle board with a rectangular cross section and at least two opposite rounded-o... | 02/11/2003 |
| 6342303 | Epoxy-functional polysiloxane modified phenolic resin compositions and composites The preparation of composites using epoxy-functional silicones as additives to phenolic resole resins.... | 01/29/2002 |
| 5723020 | Fire-retardant saturating kraft paper The invention relates to an improvement in the art of making saturating kraft paper. In particular, the invention relates to a method for enhancing the fire-retardancy of saturating kraft paper containing alumina trihydrate and phenolic resin by including... | 03/03/1998 |
| 5714269 | Film composite A film suitable for continuous application to particle boards in the making of laminated particle board is disclosed, which film is stem penetrable and impregnated with semi-cured impregnating resins and provided with a partially cured layer of glue on on... | 02/03/1998 |
| 5609966 | Sheet produced by a papermaking technique for abrasion-resistant laminates The invention relates to a surface sheet produced by the papermaking method used in the production of abrasion-resistant laminates comprising glass wool fibers. According to the invention, the sheet comprises, before impregnation with thermosetting resin,... | 03/11/1997 |
| 5425986 | High pressure laminate structure This invention is directed to a high pressure process for preparing a laminate structure comprised of a fiber cementboard core having laminated to at least one surface thereof at least one intermediate resin impregnated paper sheet or lamina and a decorat... | 06/20/1995 |
| 5401793 | Intumescent fire-resistant coating, fire-resistant material, and process for producing the fire-resistant material An intumescent fire-resistant coating and a fire-resistant material using the same are disclosed, the coating essentially including (A) at least one inorganic compound selected from the group consisting of a carbide, boride, nitride, carbonitride, or carb... | 03/28/1995 |
| 5354723 | Method for protecting against duplication with a color copier A method for protecting against duplication of a document with a color copier comprises providing a background color on a document having an average reflectance value and printing on the background with a contrast color having a spectral characteristic wh... | 10/11/1994 |
| 5338066 | Method and security substrate for protecting against duplication with a color copier A method for protecting against duplication of a document with a color copier and a security substrate comprises providing a background color on a document having an average reflectance value and printing on the background with a contrast color having a s... | 08/16/1994 |
| 5258235 | Decorative laminates having translucent core sheets Decorative laminates which provide a decorative effect similar to that of marble or synthetic marble are achieved by constructing the core from sheets having a very low opacity. These sheets are prepared from bleached Kraft pulp and do not contain titaniu... | 11/02/1993 |
| 5204190 | Method for preparing aqueous dispersion of developer and pressure-sensitive recording paper Herein disclosed are a method for preparing an aqueous developer dispersion which comprises the steps of dissolving, in an organic solvent, a developer which comprises a nuclear-substituted salicylic acid salt represented by the following general formula ... | 04/20/1993 |
| 5141799 | Low scratch, abrasion-resistant overlay and decor papers Abrasion-resistant overlay and multiple layer decor paper sheets suitable for the production of decorative laminates are disclosed comprising an agglomerated abrasion-resistant amorphous silica powder. These overlays and decor sheets reduce caul plate scr... | 08/25/1992 |
| 5114796 | Fast curing and storage stable thermoset polymer thick film compositions A thermally curable polymer thick film compositions comprising, by weight: (a) about 3--15 parts of at least one poly(hydroxystyrene) resin; (b) a crosslinking resin selected from the group consisting of: (i) about 5-25 parts of at least one blocked isocyanate resin; or... | 05/19/1992 |
| 5089348 | Precured laminate overlay An improved method for providing a smooth, abrasion resistant surface substantially free of surface irregularities on a solid substrate possessing surface irregularities, the method comprising the steps of: (a) forming an uncured and unbonded laminate ove... | 02/18/1992 |
| 5047282 | Translucent and variegated decorative laminate having an effect of depth A translucent and variegated resin impregnated decorative paper laminate having the visual three-dimensional effect of depth and to a method of manufacturing the same which comprises laminating a plurality of highly absorbent, transparent paper sheets imp... | 09/10/1991 |
| 5034272 | Decorative thermosetting laminate A decorative thermosetting laminate with an extremely increased abrasion resistance comprising a base layer and at least two patterned decor sheets of paper impregnated with a thermosetting resin and firmly bonded to the base layer. The paper material of ... | 07/23/1991 |
| 4900671 | Biocatalytic process for preparing phenolic resins using peroxidase or oxidase enzyme A process for the preparation of a phenolic resin which comprises reacting a phenol with a peroxidase or an oxidase enzyme and a peroxide in an organic solvent containing medium to generate phenolic radicals which react to form a phenolic resin.... | 02/13/1990 |
| 4865807 | High pressure decorative laminates A high pressure laminate comprising a plurality of heat molded sheets impregnated with duromeric synthetic resins characterized in that several of these sheets form on at least one surface of the laminate a heat-shapable surface layer (2,3) while the rema... | 09/12/1989 |
| 4800111 | Deformable resin laminate sheet A heat shapable resin laminate sheet, composed of several heat-bonded support webs impregnated with duroplastic binders, the deformation temperature to be utilized in shaping the laminate sheet being higher than the temperature utilized in molding it, whi... | 01/24/1989 |
| 4762868 | Coated front copy paper A coating composition for coated front copy papers comprises pre-treated carboxylated soybean protein, pigment, binder, phenolic resin, and defoamer. In a preferred embodiment, the carboxylated soybean protein is pre-treated by the steps of: (a) adding ca... | 08/09/1988 |
| 4713299 | Modified melamine resin for use in decorative laminates Melamine resins modified with a mixture of a polyalkylene glycol and an alkylated methylolmelamine, paper sheets impregnated therewith, decorative laminates prepared from said sheets and a method of producing said laminates are disclosed.... | 12/15/1987 |
| 4661412 | Melamine-modified phenolic type resin for continuous lamination A fast-curing, melamine-modified phenolic laminating resin is described comprising the co-condensation product of aldehyde, phenol and melamine in a water-soluble organic solvent. The modified laminating resin exhibits sufficiently high penetration and cu... | 04/28/1987 |
| 4654099 | Method of production of a non-skid laminated sheet The present invention contemplates a method of manufacturing a laminated sheet having a non-skid surface. In a preferred embodiment a method of manufacturing a decorated unitary laminated tray having a thermoplastic non-skid layer is disclosed.... | 03/31/1987 |
| 4604436 | Process for metal modified phenolic novolac resin A complex coordination compound of a novolac phenolic resin with zinc, copper, cobalt, cadmium, aluminum, indium, tin, chromium, cobalt or nickel is prepared by reaction of an oxide of the metal or an inorganic functional equivalent of the oxide, an alkan... | 08/05/1986 |
| 4599124 | High impact resistant laminate surface for a bowling lane An improvement in a bowling lane having a decorative laminate surface which improvement comprises incorporating into the core of the laminate a plurality of alternating layers of glass cloth impregnated with a thermosetting resin and crepe paper also impr... | 07/08/1986 |
| 4572859 | Electrical laminate comprising a plurality of fibrous layers and cured resin layers An electrical laminate comprising a plurality of fibrous cellulosic substrate layers and alternately interposed layers of cured epoxy or unsaturated polyester resin between the adjacent substrate layers, wherein each of the substrate layers is embedded in... | 02/25/1986 |
| 4530883 | Complementary color high pressure decorative laminate Polymethylol ketones are disclosed as ingredients in various resins which find use as the resin component of heat and pressure consolidated laminates, especially decorative laminates having a core of a color complementing that of the decor sheet.... | 07/23/1985 |
| 4514462 | Warp resistant laminates having a core impregnated with a mixture of phenolix resin and alkyl substituted phenol An impregnating composition for warp free laminates, is made from the diluted reaction mixture of: a phenolic component selected from at least one of phenol, resol, xylenol, resorcinol, naphthol; alkyl substituted phenol, where alkyl contains from 4 to 13... | 04/30/1985 |
| 4499145 | Metal-clad laminate and process for producing the same A metal-clad laminate comprising a base plate composed of a plurality of electrically insulating material layers and a metal foil or foils laminated on one side or both sides of the base plate, characterized in that to at least the metal foil or foils is ... | 02/12/1985 |
| 4492726 | High wet strength waferboard A high wet strength waferboard panel is disclosed made from aspen species of wood flakes or equivalent with average specific gravity less than 0.6 and having wet strength equivalent to plywood. At least a portion of the wood wafers are oriented generally ... | 01/08/1985 |
| 4476193 | Sulfur containing lignin modified alkaline earth treated phenolic impregnating resins for core layers of humidity resistant laminates A resin containing laminate is made, where the resin comprises the cured admixture of phenolic resin, sulfur containing lignin, and a catalytic reactant containing 50 wt. % to 100 wt. % of an alkaline-earth compound and 0 wt. % to 50 wt. % of an alkali-me... | 10/09/1984 |
| 4474841 | Heat-radiant paper laminate panel and method of forming An easily stackable, heat-radiant, self-supported, rigid, high-pressure, decorative paper base laminate panel having numerous applications is disclosed. The panel comprises a heat-radiant porous fabric including electrically conductive strips. The fabric ... | 10/02/1984 |
| 4473613 | Decorative laminate A decorative laminate comprising a core of at least one sheet of saturating kraft paper impregnated with a blend of a phenol/formaldehyde resin and a cross-linked, acrylic copolymer and optionally, a melamine/formaldehyde resin, and a decor sheet impregna... | 09/25/1984 |
| 4472474 | Electrically conductive laminate An electrically conductive laminate which provides a non-instantaneous controlled rate of static dissipation is disclosed, said laminate containing, in at least the overlay or decor layer thereof, a water-soluble, alkali metal salt.... | 09/18/1984 |
| 4413113 | Continuous production of phenol-formaldehyde resin and laminates produced therefrom A process is disclosed whereby water-soluble phenol-formaldehyde resins are produced from molten phenol and particulate paraformaldehyde in the presence of an alkaline catalyst by reacting in a coil container at a temperature ranging from about 90° C. to... | 11/01/1983 |
| 4404252 | Surface stabilized waferboard A waferboard having at least one surface rendered water resistant and stabilized against wafer loss is disclosed. In the past heavy paper overlays have been used on panel surfaces. However, these paper overlays are specially treated non-porous paper and g... | 09/13/1983 |
| 4404358 | Resole compositions and laminates made therefrom The invention relates to oil-modified resole varnishes particularly useful for impregnating paper laminates. Specifically, the invention relates to such compositions in which linseed oil or mixtures thereof with tung oil or oiticica oil is used as the mod... | 09/13/1983 |
