Document processor, document classification device, document processing method, document classification method, and computer-readable recording medium for recording programs for executing the methods on a computer

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The Ricoh Company, Ltd. patent solves the following problem:

Various document classification device and document retrieval devices developed in recent years. The proliferation of network technology, like the Internet, making it possible to access a large amount of electronic documents, domestically and abroad, and a rapid expansion in the amount of data stored electronically. Therefore, there is an increasing need for intellectual operations such as classifying large collections of data documents into meaningful categories.

Our analysis of this patent is as follows:

Ricoh Company, Ltd.’s patent US 6826724 B1 deals with Document processor, document classification device, document processing method, document classification method, and computer-readable recording medium for recording programs for executing the methods on a computer.
In the document processor, a document of memory that stores data input document; a selector to choose all or part of the document data stored in the document memory; a characteristic extractor which extracts the data relates to the nature of the letter rows from all or part of the document data selected by the selector; A processor works work processes in all or part of the document data based on the data that relates to the nature of the letter rows obtained by the characteristics extractor; and an output section that outputs all or part of the data processed documents from the processor given.

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Fluorinated polymeric paper sizes and soil-release agents

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The Ciba Specialty Chemicals Corporation patent solves the following problem:

The use of perfluoroalkyl-substituted compounds to give oil and grease repellency to fabrics and paper substrates side-on work. Paper for treatment of the most important products of traditional phosphate diesters a perfluoroalkylalkanol or non-perfluoroalkyl-substituted carboxylic acid, as described in US Pat. Nos. 4,485,251, 4,898,981 and 5,491,261. These compounds apply even wet endthat were added to pulpor used in rollers, a size press or in other ways to the finished paper as a coating. The fluorochemicals used for the treatment of textiles all polymers; Most are copolymers of poly-perfluoroalkyl (meth) acrylates. More recently these polymers are also used as external size paper from polymers to provide the additional benefit of water resistance, which is a desirable feature in many food packaging and fast -kalan-on applications.

Our analysis of this patent is as follows:

Ciba Specialty Chemicals Corporation’s patent US 6818717 B2 deals with Fluorinated polymeric paper sizes and soil-release agents.
The new fluorine-containing paper size to provide oil and grease resistance to paper and earth-release properties of the product material is described as the copolymerization product of (a) a perfluoroalkyl-substituted ( meth) acrylate or (meth) acrylamide, (b) a secondary- or tertiary-amino or quaternary ammonium group-containing (meth) acrylate or (meth) acrylamide, (c) vinylidene chloride and, optionally, d) with copolymerizable nonfluorinated vinyl monomers.

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