Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7261771 | Method of controlling the viscosity of a cementitious mixture using oppositely-charged polyelectrolytes A process for increasing the viscosity of an aqueous cementitious mixture during its working state by mixing oppositely-charge polyelectrolytes into the cementitious mixture. ... | 08/28/2007 |
| 7148270 | Polymer-modified fiber-cement composition A method for providing a polymer-modified fiber-cement composite by forming an aqueous composition including admixing an emulsion polymer having a glass transition temperature (Tg) of from −25° C. to 150° C., cement, cellulosic fibers, siliceous material, and wa... | 12/12/2006 |
| 6932886 | Multi-ply fibrous plasterboard web A fibrous web including a back liner having a higher fines side with a higher fines content, a top liner having a higher fines side with a higher fines content and at least one middle layer having a higher fines side with a higher fines content, and a lower fines si... | 08/23/2005 |
| 6880583 | Papermaker's and industrial fabric seam A papermaking or other industrial fabric formed from a base fabric and having a seam where a first end of the base fabric is attached to a second end of the base fabric. At least one preformed coil is used to attach the first end of the base fabric to the second end... | 04/19/2005 |
| 6855228 | Method and device for the production of multilayer paper and related products The equipment for the production of a paper web material comprises: a first former (1) for forming a first layer (S1) consisting of a slurry containing fibers and water; a second former (2) for forming a second layer (S2) consisting of a ... | 02/15/2005 |
| 6811652 | Multi-layer paper web and a method of forming it A method of making a multilayer paper web, wherein at least two paper sheets are formed and dried separately to a dry content of no more than 80% by weight, imparting a three-dimensional pattern of alternating raised and recessed portions in the paper sheets during ... | 11/02/2004 |
| 6616811 | Machine for the manufacture of a multi-layer fibrous web A machine for the manufacture of a multi-layer fibrous web includes at least two fibrous web layers and at least two formers; the fibrous web layers each having a lower fines side with a lower fines content and a higher fines side with a higher fines cont... | 09/09/2003 |
| 6592715 | Device for the production of a multi-layer fiber stock web A machine for the production of a multi-layer fiber stock web, specifically a paper or cardboard web, whereby a first and a second layer are couched as a result of being delivered by an associated forming belt or wire to a couching element around which a ... | 07/15/2003 |
| 6569287 | System and method of producing corrugated products with on-line corrugation The present invention relates to a system and method of making paperboard and paperboard corrugation that negates the steps of winding rolls of containerboard on machine reels of separate paper machines, subsequent rewinding and slitting of paperboard and... | 05/27/2003 |
| 6479127 | Manufacture of multi-layered board with a unique resin system The present invention relates to the manufacture of a multi-layered board having a stable, and moisture-resistant surface. To accomplish this and other advantages of the invention, an improved binder system is used in the production of the surface layers ... | 11/12/2002 |
| 6402888 | Security paper comprising localized areas with reduced thickness and opacity, and method for making same A method for making a paper sheet comprising at least one region which is thinner than the rest of the sheet. According to the method, a first paper layer (3) is formed on a wire in a first wet end of a paper-making machine, a second paper layer (5) is fo... | 06/11/2002 |
| 6395133 | Process for producing embossed multiply cellulosic fibrous structure having selective bond sites An embossed multiple ply paper product and process for producing such product displaying aesthetically pleasing decorative attributes and exhibiting functional characteristics of softness, absorbency, and drape. The decorative attributes comprise embossed... | 05/28/2002 |
| 6365000 | Soft bulky multi-ply product and method of making the same The present invention is a method of making an ultra soft, multi-ply tissue from non-premium furnish using wet press technology and the product produced thereby.... | 04/02/2002 |
| 6342125 | Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby A multi-ply web forming method and apparatus are disclosed for forming a top ply onto a base ply. A fiber suspension jet is by means of a secondary headbox (21; 21', 26) delivered into a twin-wire roll nip created by two tensioned wires (16, 22; 16', 22';... | 01/29/2002 |
| 6287420 | Multi-ply fiber web forming method and apparatus A multi-ply fiber web forming apparatus includes a lower forming fabric defining a lower forming fabric run. A first headbox is positioned above the lower forming fabric for discharging a fiber suspension onto the lower forming fabric. An upper forming fa... | 09/11/2001 |
| 6277466 | Embossed multi ply cellulosic fibrous structure and process for producing the same An embossed multiple ply paper product having a nested latticework embossment pattern providing a cloth-like, quilted appearance and a process for embossing and bonding such multiple ply paper product. The multiple ply paper product comprises a latticewor... | 08/21/2001 |
| 6176972 | Hydrophilic, humectant, soft, pliable, absorbent paper having wet strength agents and method for its manufacture The present invention relates to the manufacture of a hydrophilic, humectant, soft, pliant single-ply or multi-ply absorbent papers to which an organic permanent or temporary wet strength agent has been added. Novel absorbent papers having temporary or pe... | 01/23/2001 |
| 6086715 | Embossed multiply cellulosic fibrous structure having selective bond sites and process for producing the same An embossed multiple ply paper product and process for producing such product displaying aesthetically pleasing decorative attributes and exhibiting functional characteristics of softness, absorbency, and drape. The decorative attributes comprise embossed... | 07/11/2000 |
| 5989389 | Method of producing visible, continuous streaks and/or delimited fields in paper The invention relates to a method of producing visible, preferably transparent or translucent, continuous streaks and/or delimited fields in paper in conjunction with forming a paper web in a paper machine. The method is characterized by essentially preve... | 11/23/1999 |
| 5935382 | Method and board machine for manufacturing a paperboard web In order to meet higher demands for the properties of paperboard products an improved method and machine for the manufacture of paperboard are proposed according to the present invention in which a core of a paperboard web is formed in a second forming un... | 08/10/1999 |
| 5906711 | Multiple ply tissue paper having two or more plies with different discrete regions A multiple ply tissue paper structure is disclosed. The multiple ply tissue paper has at least two plies having discrete low density regions dispersed throughout a continous relatively high density network. One of the plies has more of the discrete low de... | 05/25/1999 |
| 5681428 | Method of manufacturing an inorganic board An inorganic board consisting of a cured base mat and a cured surface mat is manufactured by forming a surface mat by the dry method on a base mat formed by a paper making method, embossing the composite mat, and curing the embossed composite mat. Ridges ... | 10/28/1997 |
| 5635033 | Paper machine for the manufacture of a multi-layer paper web A paper machine forming section with two wire forming units. One of the two forming units is a twin wire web forming unit having a headbox, two wire loops arranged in sandwich-like manner and a drainage element for each of the wire loops. The first web-fo... | 06/03/1997 |
| 5607555 | Paper machine forming section for producing a multilayer paper web A paper machine forming section with two twin-wire sections for forming a multilayer paper web. Each twin wire web-forming unit consisting of a headbox, two wire loops arranged to define a common wire path for molding the web being formed in sandwich-like... | 03/04/1997 |
| 5525394 | Oriented strand board-fiberboard composite structure and method of making the same An oriented strand board product is provided. The board is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board-forming machine such that a core layer is comprised of wood strands orien... | 06/11/1996 |
| 5520779 | Process and apparatus for producing fiber-reinforced plaster plates Process and apparatus for the continuous production of gypsum fiber plates in which the fiber component is dewatered and rediluted with water recovered from the gypsum-fiber suspension after it has been spread on a belt, passed over at least two suction b... | 05/28/1996 |
| 5470631 | Flat oriented strand board-fiberboard composite structure and method of making the same An oriented strand board (OSB)-fiberboard composite structure is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands... | 11/28/1995 |
| 5468348 | Multi-ply web former and method A multi-ply paper web is formed by bringing a top ply liner into ply-bonding engagement with a base ply web (WB) traveling on a base ply forming wire (36). The top ply liner (WT) is formed between two co-running forming wires (10, 20... | 11/21/1995 |
| 5456803 | Papermaking apparatus and multi-layer paper forming apparatus A papermaking apparatus that can form a paper web having a good fiber formation is disclosed. A plurality of vertically adjustable forming rolls are provided on the top surface of an endless felt couch between a lead-in roll and a couch roll, and stationa... | 10/10/1995 |
| 5445713 | Apparatus for use in making multilayered paper Apparatus for forming multilayered paper includes an endless loop of felt and at least two short wire units provided beneath the loop of felt. Each short wire unit has a fixed dehydrator having a forming shoe, at least part of the upper surface of which i... | 08/29/1995 |
| 5437766 | Multi-ply facial tissue paper product comprising biodegradable chemical softening compositions and binder materials Multi-ply facial tissue paper products comprising biodegradable chemical softener compositions and a combination of a wet strength binder, either permanent and/or temporary, and a dry strength binder is disclosed. The multi-ply facial tissue paper products con... | 08/01/1995 |
| 5425976 | Oriented strand board-fiberboard composite structure and method of making the same An oriented strand board product is provided. The board is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands orien... | 06/20/1995 |
| 4963230 | Agricultural paper and process for producing the same Disclosed herein is agricultural paper to be made into pots for raising seedlings. It is made up of a first layer made chiefly of natural pulp and a second layer made of synthetic fibers having a basis weight of 3-15 g/m2, said first layer and ... | 10/16/1990 |
| 4961824 | Method for manufacturing multilayer board A method for manufacturing multilayer board in which the pulp suspension forming a surface layer (12) is fed onto the horizontal section of a first, inner wire (1). The pulp suspension forming an intermediate layer (11) is supplied onto said web layer, wh... | 10/09/1990 |
| 4913773 | Method of manufacture of paperboard A method of producing a multi-ply paperboard comprising at least one ply high bulk fibers sandwiched between at least two plies of conventional papermaking fibers. In a preferred embodiment, high bulk fibers characterized by twists, kinks and curls are pr... | 04/03/1990 |
| 4830709 | Multi-ply web forming apparatus and method A multi-ply paper web forming apparatus utilizes first and second forming wires which travel in a co-running path for a portion of their length and which form a throat into which an aqueous slurry of paper pulp fibers is introduced. The slurry is dewatere... | 05/16/1989 |
| 4749178 | Backstand threading device for paper sheeter A backstand threading device to be mounted on a paper sheeter to permit an operator to move the device and himself along the length of the paper sheeter to thread each of the plurality of webs moving through the paper sheeter.... | 06/07/1988 |
| 4741376 | Manufacturing of kraft paper A process for manufacturing of kraft paper, especially kraft sack paper, on a multi-wire machine in which the web is dried by a combined cylinder drying and free drying and is optionally creped or micro-creped and optionally also glazed. By forming the we... | 05/03/1988 |
| 4595457 | Oil-impregnatable insulating board An aqueous slurry comprising fibrous particles of a heat-resistant aromatic polymer and short fibers made of said polymer or insulating inorganic short fibers, or a mixture thereof, is made into a wet web and, after adjusting the water content to 50 to 95... | 06/17/1986 |
| 4456502 | Method for adjusting the format of continuous aqueous fibre suspension delivered by the head boxes of a paper manufacturing machine, and the device for carrying out said method A method and mechamism of removing an edge of a paper web formed on a traveling foraminous wire from stock issuing from the slice of a headbox including a blade positioned parallel to the machine direction and located to separate the edge from the flow of... | 06/26/1984 |
