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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7364642 | Recycling of latex-containing broke Methods for recycling latex-containing broke are generally provided. Specifically, mechanical treatment may be employed to rework latex-containing broke for reuse in various products without the need for treatment with chemicals, such as hypochlorite, chlorine, or h... | 04/29/2008 |
| 7326317 | Lignocellulose product The invention concerns a process for the production of activated fibres or particles having self-binding properties comprising the steps of treating fibers or particles of lignocellulose containing material by contacting them with an oxidant during a time sufficient... | 02/05/2008 |
| 7300540 | Energy efficient TMP refining of destructured chips A system and method for thermomechanical refining of wood chips comprises preparing the chips for refining by exposing the chips to an environment of steam to soften the chips, compressively destructuring and dewatering the softened chips to a solids consistency abo... | 11/27/2007 |
| 7294228 | Biopulp for non-woody fiber plants and biopulping method thereof The present invention relates to a biopulping method, and more particularly to a biopulping method for non-woody fiber plants. A biopulping method for a non-woody fiber plant is provided. It includes steps of providing a culture solution, adding a non-woody fiber pl... | 11/13/2007 |
| 7291247 | Absorbent sheet made with papermaking fibers with durable curl A process for bleaching high bulk cellulosic fiber and producing a durable elevated curl index includes: (a) concurrently bleaching, heat treating and convolving cellulosic fiber pulp at elevated temperature and pressure at high consistency generally under condition... | 11/06/2007 |
| 7247587 | Nonwoven material for low friction bearing surfaces The present invention relates to a saturable nonwoven material comprising fluoropolymer floc and aramid floc, which can be used as a substrate for a liner for self-lubricating bearings and for other applications. ... | 07/24/2007 |
| 7201825 | Process for making a flowable and meterable densified fiber particle Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been densified. The particles have a density of at least 0.3 g/cc. ... | 04/10/2007 |
| 6951080 | Culm blocks A culm block and a method of manufacture are disclosed. The culm block comprises a plurality of straw stalks that are “vertically aligned”, i.e., perpendicular to the ground when the block is laid flat. The straw is treated with a moisture inhibitor and/or a bin... | 10/04/2005 |
| 6777103 | Fiber cement composite material using biocide treated durable cellulose fibers A fiber cement composite material providing improved rot resistance and durability, the composite material incorporating biocide treated fibrous pulps to resist microorganism attacks. The biocide treated fibers have biocides attached to inner and outer surfaces of i... | 08/17/2004 |
| 6666951 | Process for the production of articles from treated lignocellulosic particles and a formaldehyde based resin binder An improvement in the process for the production of articles from lignocellulosic material and a formaldehyde based resin binder comprising the step of treating the lignocellulosic material prior to combining it with the binder by exposing the lignocellul... | 12/23/2003 |
| 6436238 | Process for preparing a paper web The present invention concerns a process for preparing a paper web. According to the process a pulp is formed from a fibrous raw material, a web is formed from the pulp and it is dried on a paper machine. According to the invention the pulp is formed from... | 08/20/2002 |
| 6402887 | Biopulping industrial wood waste A method using biological processes in the production of pulp from industrial wood waste is described. The process makes use of various species of white-rot fungi which selectively degrade lignin. The industrial wood waste must be cleaned and hydrated pri... | 06/11/2002 |
| 6364997 | Raw stock for photographic paper The invention relates to a imaging element comprising a paper having a surface roughness average of between 0.13 and 0.44 micrometers.... | 04/02/2002 |
| 6106632 | Process for mechanically dewatering extracted sugar beet pulp In a process for mechanically dewatering extracted sugar beet pulp, the dry matter content in the pressed pulp is increased by introducing directly into the pressed pulp layer in the pressing region a suspension of salt or salts of polyvalent ions. An app... | 08/22/2000 |
| 6074527 | Production of soft paper products from coarse cellulosic fibers The present invention encompasses a sanitary paper product including a wet-laid, surfactant treated nonwoven fibrous structure including coarse pulp fibers at least a portion contain oil and having a lower cup crush load and energy than an identical fibro... | 06/13/2000 |
| 6024832 | Method and apparatus for producing extensible paper A method for producing extensible paper, comprising the following stages: feeding a mix of vegetable fibres to a kneader member, mixing the mix with water in the kneader, beating the fibres to obtain a pulp, transferring the beaten pulp into a flow chest, feeding the be... | 02/15/2000 |
| 6001218 | Production of soft paper products from old newspaper A method of making sanitary paper products from newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the fiber in the newspapers having an oil content ranging from about 0.025% to about 2.0... | 12/14/1999 |
| 5895556 | Waste paper treatment process A waste paper treatment process for the recycle and re-use of waste paper, which process comprises treating the waste paper, in a repulper, with a surfactant, in the absence of traditional repulper chemicals such as silicate, caustic and peroxide. The sur... | 04/20/1999 |
| 5750005 | Method of enhancing biopulping efficacy A method of making a wood pulp is disclosed. The method includes chipping wood into wood chips and then inoculating the wood chips with an inoculum of a white rot fungi and a nutrient adjuvant selected from the group consisting of corn steep liquor, molas... | 05/12/1998 |
| 5728269 | Board produced from malvaceous bast plant and process for producing the same A board composed of a lignocellulosic material and the modification thereof as the substantial components and having good mechanical strength, even when the board does not contain any components derived from an additive, by utilizing the autoadhesion of a... | 03/17/1998 |
| 5656129 | Method of producing fibers from a straw and board products made therefrom A method of refining wheat straw into fibers cuts the straw to a length of between about two and about four inches, wets the straw, softens the straw by subjecting the straw to pressurized steam and refines the softened straw in a pressurized mechanical r... | 08/12/1997 |
| 5635029 | Method for manufacturing an absorbent structure using sphagnum moss material An absorbent product containing sphagnum moss selected from the group of botanical sections consisting of PALUSTRIA, ACUTIFOLIA, RIGIDA, SUBSECUNDA and CUSPIDATA. The invention also extends to a novel method for manufacturing a highly absorbent structure ... | 06/03/1997 |
| 5624616 | Method for co-refining dry urban wood chips and blends of dry urban wood chips and thermoplastic resins for the production of high quality fiberboard products A method for making lignocellulose fibers, which may be optionally coated with a suitable thermoplastic, wherein the starting materials may be chosen from a wide variety of generally non-recyclable contaminated wood, paper, and/or plastic products. A mixt... | 04/29/1997 |
| 5620564 | Method of enhancing biopulping efficacy A method of making a wood pulp is disclosed. The method includes chipping wood into wood chips and then inoculating the wood chips with an inoculum of Ceriporiopsis subvermispora and a nutrient adjuvant selected from the group consisting of corn steep liq... | 04/15/1997 |
| 5620565 | Production of soft paper products from high and low coarseness fibers Paper products such as bathroom tissue, facial tissue, napkins and paper towels are made from high coarseness fibers such as recycled newsprint fibers, CTMP, TMP, and groundwood. These products exhibit premium level qualities in terms of softness, bulk, a... | 04/15/1997 |
| 5582681 | Production of soft paper products from old newspaper A sanitary paper product made from newspapers containing coarse cellulosic fibers and printed with ink that contains oil and a method for making the same is provided. The method has the step of (a) pulping the newspapers in water with agitation to produce... | 12/10/1996 |
| 5582682 | Process and a composition for making cellulosic composites The specification discloses an unorthodox system for manufacturing strong, light-weight and weather-resistant cellulosic composite materials from discarded paper and newsprint, and papermill sludge--and from an unlimited variety of particulated fibrous li... | 12/10/1996 |
| 5538594 | Method for producing a blade coated paper from recycled, high lignin content, waste paper A method is disclosed for producing, in a continuous throughput, high quality paper from recycled waste paper utilizing high consistency, low shear pulping, followed by a series of cleaning steps to produce a wet, friable pulp which is digested and option... | 07/23/1996 |
| 5520777 | Method of manufacturing fiberboard and fiberboard produced thereby In manufacturing fiberboard, it is known to press mixtures of lignocellulosic material and binding agents to form a board product. In this invention, an improved process for manufacturing fiberboard is disclosed including the step of adding a solution of ... | 05/28/1996 |
| 5486268 | Oxygen delignification of old corrugated containers Waste cellulosic paper products, for example, old corrugated containers are recycled employing oxygen delingnification in the presence of an alkaline material to produce a recycled pulp of lower kappa number, while maintaining adequate strength in the pul... | 01/23/1996 |
| 5437908 | Bathroom tissue and process for producing the same A bathroom tissue comprising an intermediate layer having on one side thereof a top layer, and on the other side thereof a bottom layer. The intermediate layer is comprised of about 100% wood pulp and the top and bottom layers are comprised of wood and ra... | 08/01/1995 |
| 5434011 | Method for manufacturing a peat moss board having a predetermined density and the resulting product thereof A method for manufacturing a peat moss board suitable for use as an absorbent core in structures for absorbing body exudate. The method is characterized by conditioning a wet laid board to a specific water content and calendering the conditioned board at ... | 07/18/1995 |
| 5290830 | Reticulated bacterial cellulose reinforcement for elastomers Reinforced elastomeric articles, such as tires, wherein the reinforcement is reticulated bacterial cellulose are provided. Reticulated bacterial cellulose has an average diameter of about 0.1 micron and a substantially infinite aspect ratio. The reinforce... | 03/01/1994 |
| 5188707 | Process for chemically hardening wood A method of hardening wood using a pulping agent for the chemical separation of lignin from cellulose in the wood without damage to either component. The pulping agent comprises the reaction product of (a) a compound produced by electrolytic oxidation of ... | 02/23/1993 |
| 5135612 | Methods for making exploded bark products A method for making a shaped product comprising exploded bark. Preferably the shaped product comprises exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, based upon the dry weight basis of the bark. One o... | 08/04/1992 |
| 5116889 | Pulped paperboard-polymer compositions This invention relates to homogeneous compositions comprising pulped paperboard and a finely divided polymer, suitably polyethylene terephthalate, commonly referred to as "PET". Also, provided are stable aqueous dispersions of finely divided polymer parti... | 05/26/1992 |
| 5114534 | Drying cellulosic pulp A process for reducing the energy requirements for drying a cellulosic pulp slurry by contacting a pulp slurry with sodium sulfate before web formation, dewatering and drying.... | 05/19/1992 |
| 5110412 | Method of manufacture of paper or cardboard using recycled fibers treated with enzymes The machinability of a papermaking composition of recycled fibers is improved by treating the fibrous composition with an enzyme preparation which acts on all or part of the cellulose fiber components, causing an improvement in the drainability of the wat... | 05/05/1992 |
| 5100511 | Method for the manufacture of products containing fibers of lignocellulosic material A method for the manufacture of products containing fibers of lignocellulosic material which involves the disintegration of a lignocellulosic material into fibers and forming and pressing of the fiber web into the product in question, which is preferably ... | 03/31/1992 |
| 5055159 | Biomechanical pulping with C. subvermispora A method of using biological processes as a pretreatment step in combined biological and mechanical paper pulping process is described. The process uses a species of fungus, Ceriporiopsis subvermispora, which has not previously been used for this purpose.... | 10/08/1991 |
