Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Application No. | Application Title | Issue Date |
| 20100122787 | APPLICATION OF CHEMICAL AIDS AFTER A HEADBOX OF A PAPERMAKING PROCESS A method for improving sizing efficacy, paper machine performance and sheet properties formed during a papermaking process is disclosed. The methodology includes the following steps: (a) applying one or more sizing chemicals to the papermaking process to a point between... | 05/20/2010 |
| 20090288792 | METHOD FOR PRODUCING PRESSED PRODUCTS FROM FIBER-CONTAINING RAW MATERIALS A method produces pressed products from fiber-containing raw materials such as wood, straw, peat or suchlike, which are also referred to as secondary raw materials. In order to produce well pressed products, fiber-containing raw materials a... | 11/26/2009 |
| 20080190577 | Alkanolamine-stabilized dispersed rosin sizing agents and their preparation This invention teaches the stabilization a dispersion of rosin using an alkanolamine salt of the resin. The stabilized dispersion is used in papermaking processes.... | 08/14/2008 |
| 20080190578 | Alkanolamine-stabilized dispersed rosin sizing agents and their preparation This invention teaches the stabilization a dispersion of rosin using an alkanolamine salt of the rosin. The stabilized dispersion is used as a sizing agent in papermaking processes.... | 08/14/2008 |
| 20070137820 | Waterproof vibration plate for speaker There is provided a speaker that uses a waterproof vibration plate that is obtained by forming a water repellent layer containing wax on a surface of paper pulp by the use of a wax-based emulsion in a suspension of the paper pulp, then forming a binder layer containing ... | 06/21/2007 |
| 20070131372 | Phyllosilicate Slurry For Papermaking There is provided a slury of phyllosilicate-containing, material and a non-reactive, non-monomeric sizing agent, and water such that the final Hercules apparent viscosity of the slurry is below 100 cps. These slurries may have a solids content from 20 wt. % to 55 wt. % ... | 06/14/2007 |
| 20070131371 | Bentonite Slurry There is provided an alkaline earth phyllosilicate material-containing slurry. It has been found the slurries of the present invention may be made at concentrations of up to 75% solids and remain pumpable. Broadly speaking, the slurry includes an alkaline earth phyllosi... | 06/14/2007 |
| 20070000630 | Crepe facilitating composition The invention relates to a crepe facilitating aqueous composition comprising at least one water-insoluble, non-surface active thermoplastic material having a softening or melting point within the range of from 40° C. to 100° C., and at least one water-soluble polymer,... | 01/04/2007 |
| 20060254736 | Paper articles exhibiting water resistance and method for making same This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more “hydrophobic polymers” wherein hydrophobic polymers, the amount of such polymers a... | 11/16/2006 |
| 20060207737 | Aqueous pigmented coating formulation providing for improved opacity Aqueous pigmented coating formulations for improving opacity and processes for their manufacture are disclosed. Specifically, the aqueous pigmented coating formulations comprise an acylated lecithin that comprises a chemically modified lecithin and less than 10% (by tot... | 09/21/2006 |
| 20060180289 | Cationic liquid starchy composition and uses thereof A novel cationic liquid starchy composition and uses thereof in industry, in particular, as an additive in paper and cardboard production, as an additive for treatment of industrial water, either from paper or cardboard production or not, or for the preparation of such ... | 08/17/2006 |
