Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7351302 | Method for binding particulate, water-absorbing, acid group-containing polymers to a base material A process for binding particulate water-absorbing acid-functional polymers to a carrier material by means of compounds comprising amino groups, which comprises contacting the carrier material with particulate water-absorbing acid-functional polymers whose acid group... | 04/01/2008 |
| 7335279 | Low density paperboard articles The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microsphe... | 02/26/2008 |
| 7211608 | Method for pretreatment of filler, modified filler with a hydrophobic polymer and use of the hydrophobic polymer A modified filler used in the making of paper or the like, preparation of the filler and its use. The modified filler comprises a filler known as such, e.g. Calcium carbonate, kaolin, talc, titanium dioxide, sodium silicate and aluminum trihydrate or their mixture, ... | 05/01/2007 |
| 6899921 | Method for reducing back trap mottle and paper with reduced sensitivity for back trap mottle A method for reducing back trap mottle of coated paper, comprising adjusting the absorbency of the coated surface combined with adjusting the adhesion between the coated paper surface and the ink. Polar additives are used in the paper coating to increase the polar f... | 05/31/2005 |
| 6294265 | Hydrophobic biodegradable cellulose containing composite materials Composite cellulose containing materials which are waterproof and biodegradable are produced which consist essentially of cellulose and hydrophobic polymer-based composition in the amount about 4 to 40 wt %. The polymer-based composition comprises first p... | 09/25/2001 |
| 6210475 | Use of hydroxyalkylated starches for improved emulsification of sizing agents The present invention is directed to paper sizing emulsions, a method of making sizing emulsions, a method of sizing paper products, such as paper and board, and paper or board made using the method and the sizing emulsions of the invention. The paper siz... | 04/03/2001 |
| 6087457 | Surface sizing of cellulose based products The invention relates to a method of surface sizing cellulose based products such as paper, board and paper board. The method comprises applying to the surface of said products an aqueous dispersion of a copolymer obtainable by free-radical emulsion polym... | 07/11/2000 |
| 5853540 | Water-resistant recording material for inkjet printing Water-resistant recording material for the inkjet process using water-based inks, having a substrate paper which, in addition to cellulosic fibres, contains 1-40% fibres and on one side or both sides of which a water-resistant recording layer is arranged.... | 12/29/1998 |
| 5670021 | Process for production of paper A process for the production of paper by forming and dewatering a suspension of cellulose containing fibers and optional fillers and cationic starch on a wire or fabric, characterized in that the forming and dewatering takes place in the presence of an al... | 09/23/1997 |
| 5543446 | Water-soluble acrylamide/acrylic acid polymers and their use as dry strength additives for paper A water-soluble terpolymer for use as a dry strength additive for paper consists essentially of the following units: (a) (meth)acrylamide, (b) an ethylenically unsaturated, aliphatic carboxylic acid or a salt thereof, and (c) a water-soluble, polyvinyl mo... | 08/06/1996 |
| 5478641 | Latex containing copolymers having a plurality of activatable functional ester groups therein An aqueous latex contains a functionalized copolymer prepared by emulsion polymerization. The copolymer can be applied to textile nonwoven materials and to various cellulosic substrates, and when utilized as a binder imparts enhanced properties thereto su... | 12/26/1995 |
| 5451456 | Latex of poly-ଲ-hydroxyalkanoates for treating fiber constructs and coating paper A latex comprises a colloidal suspension in water of essentially non-crystalline particles of a polymer or copolymer or ଲ-hydroxyalkanoates, for example ଲ-hydroxybutyrate and ଲ-hydroxyvalerate; the latex may be employed to produce s... | 09/19/1995 |
| 5332473 | Vesiculated polymer granules and paper made therefrom An alkaline paper comprising polymeric vesiculated granules, calcium carbonate, and fibrous materials. Alkaline papers made according to the present invention have improved physical properties.... | 07/26/1994 |
| 5252754 | Fluorinated aldoketene dimer structures and their use as combination oil and water resistant sizes for cellulosic materials Aldoketene dimer sizing agents that can efficiently impart both oil and water sizing properties to paper, of an unsaturated ଲ-lactone structure containing terminal perfluoralkyl groups separated from the ketene moiety by at least three carbon atoms,... | 10/12/1993 |
| 5209823 | Water-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber mat A water-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber mat, the water-soluble dispersant comprising: polyethylene glycol in an amount greater than about 80% by weight of the water-so... | 05/11/1993 |
| 5207871 | Process for making transparent paper using a UV curable compositions of maleate, vinyl monomer and an allyl compound A composition which is cured upon exposure to ultraviolet light in the absence of solvent is disclosed. The liquid composition is prepared by combining a liquid maleate polyester and at least one of a vinyl compound and an allyl functional compound. A pho... | 05/04/1993 |
| 5156718 | Paper mats A paper mat is made from an aqueous slurry or dispersion of kraft wood pulp, a large amount of finely divided inorganic pigments and as a binder an anionic latex of a copolymer of at least one conjugated diene monomer, at least one vinyl substituted aroma... | 10/20/1992 |
| 5152925 | Polymeric defoamer compositions Polymeric defoamer compositions are prepared from hydroxyalkylacrylate or methacrylate containing polymers which are then solubilized in an organic carrier system. The polymers are effective defoamers and drainage aids for brown stock washers, screen room... | 10/06/1992 |
| 4975320 | Nonwoven products bonded with binder emulsions of copolymers of vinyl acetate/ethylene/incompatible comonomer/latent crosslinking comonomer A two stage polymerization process for preparing a vinyl acetate/ethylene emulsion copolymer containing a monomer which is normally incompatible with vinyl acetate. In the first stage the vinyl acetate and ethylene and, optionally, an active crosslinking ... | 12/04/1990 |
| 4929495 | Nonwoven fabric coated with carboxylated acrylate polymers, and process for making the nonwoven fabric Fibers in non-woven fibrous goods are bonded together by a crosslinked carboxylated acrylate polymer which forms a network of coalesced latex particles bonding contiguous fibers. This network exists as a non-continuous, porous film supported upon the fibe... | 05/29/1990 |
| 4917765 | Vesiculated polymer granules Vesiculated granules of cross-linked carboxylated polyester resin prepared by the free radical polymerization of a dispersion of an ethylenically unsaturated monomer, a carboxylated unsaturated polyester resin having an acid value of from 5-50 mg KOH/g an... | 04/17/1990 |
| 4664844 | Antifoams based on oil-in-water emulsions In antifoams based on oil-in-water emulsions, the oil phase of the emulsion contains (a) C12 -C26 -alcohols, distillation residues obtained in the preparation of alcohols by an oxosynthesis or by the Ziegler process and/or (b) fatty ... | 05/12/1987 |
| 4618401 | Battery separator material A novel, improved battery separator material particularly adaptable for use in maintenance free batteries. The battery separator material includes a diatomaceous earth filler, an acrylate copolymer binder and a combination of fibers comprising polyolefin,... | 10/21/1986 |
| 4609431 | Non-woven fibrous composite materials and method for the preparation thereof Non-woven, fibrous composite materials in sheet form are disclosed which are particularly useful as dimensionally stable backings and interliners for surface covering laminates. A method of producing these sheets and laminates is also disclosed.... | 09/02/1986 |
| 4569888 | Transparentized paper sheet A transparentized paper with a caliper of between 0.001 and 0.015 inch and the process for its preparation is disclosed. A paper web is treated with a liquid mixture of polyesters, acid monoesters of polyols and dicarboxylic acids in non aqueous polaric s... | 02/11/1986 |
| 4508594 | Polyaldehyde/polyacetal compositions Water-soluble monomers and water-soluble polymers derived therefrom are disclosed. These materials can be used with other vinyl monomers to form water-soluble polymers which are reactive with cellulosic substrates to obtain drastically improved strength, ... | 04/02/1985 |
| 4483889 | Method for the production of fibre composite materials impregnated with resin A method for the production of a composite material in the form of a web, the material comprising fibres, a curable resin and expanded microspheres. A web of fibres and microspheres is formed, and the curable resin is added subsequently.... | 11/20/1984 |
| 4426470 | Aqueous method of making reinforced composite material from latex, solid polymer and reinforcing material Reinforced polymer composites having a uniform mix of fiber, polymer and binder and having good physical properties are prepared by forming dilute aqueous slurries of a solid heat fusible organic polymer, a reinforcing material and a bound charge latex bi... | 01/17/1984 |
| 4416950 | Transparent fibrous sheets Fibrous sheets are transparentized by coating them with monomers of the formula: ##STR1## wherein R is hydrogen or lower alkyl and n is an integer of 0 to 6; and polymerizing the monomers.... | 11/22/1983 |
| 4381367 | Sizing agents for paper and a process for the production thereof Paper sizing agents in the form of an aqueous preparation of maleic acid anhydride copolymers of which the anhydride groups had been reacted either with organic or inorganic bases or with primary-tertiary diamines and the reaction products subsequently re... | 04/26/1983 |
| 4337117 | Decay resistant material Synthetic sheet material is resistant to decay by fungus and other microbial organisms and particularly useful in shoe construction, mulch papers and the like. The material comprises a uniform distribution of cellulose and optionally synthetic fiber withi... | 06/29/1982 |
| 4319956 | Nonwoven web material for medical towels and the like A new and improved, highly absorbent, nonwoven web material that exhibits a cytotoxicity level of zero is provided for use as a disposable medical towel and the like. The web material possesses a unique combination of physical properties, such as absorben... | 03/16/1982 |
| 4282060 | Organic pigments Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic... | 08/04/1981 |
| 4282059 | Paper fillers An aqueous suspension of particles is treated by introducing into the system an anionic polymeric flocculant and at least one counteracting anionic deflocculant, the activity of the anionic deflocculant being reduced or eliminated by bringing into contact... | 08/04/1981 |
| 4270977 | Process for preparing water sorptive products The present invention is directed to a process for preparing cellulose containing water sorptive products from an aqueous suspension or paper furnish in accordance with conventional paper making techniques. The suspension or paper furnish employed in prep... | 06/02/1981 |
| 4268352 | Method of reducing soluble starch in broke repulping using a dual polymer combination This invention is a method of increasing the amount of retention of deposited starch and pigment on fibers in broke liquid which consists of adding to said liquid a combination dosage of a DMA-epichlorohydrin polymer together with a second polymer consist... | 05/19/1981 |
| 4256807 | Synthetic latex modified pulp insulated conductors A pulp insulated electric communications conductor in which the wood pulp fibers of the insulation are coated with an aqueous based cationic deposition aid polymer and then an aqueous based anionic latex polymer. In a process for applying a layer of insul... | 03/17/1981 |
| 4246387 | Emulsion polymerization with sulfonated alkoxylated alkyl arylol maleates Emulsion polymerization is carried out with reactive surfactants comprised of ring sulfonated maleate half esters of alkoxylated alkyl arylols.... | 01/20/1981 |
| 4246066 | Method for producing fibrous sheet A fibrous sheet having a high strength and water resistance and having no resin specks on the surface can be produced by producing a sheet from a fiber slury by the known paper making process, to said fiber slurry being added a flocculate of chlorinated p... | 01/20/1981 |
| 4245689 | Dimensionally stable cellulosic backing web An improved dimensionally stable backing web is disclosed, especially for resilient flooring product and linoleum, comprising cellulosic fiber, a binder, antioxidant, fungicide and glass fiber, as well as optionally dyes or pigments, surfactants and vulca... | 01/20/1981 |
