http://www.freshpatents.com/Paper-making-and-fiber-liberation-dtnewntc162.php USPTO Class 162 - Paper making and fiber liberation en-us Fri, 19 Dec 2008 00:00:20 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Method-for-preparing-paper-pulp-from-recycled-paper-containing-contaminants-dt20081211ptan20080302491.php Fri, 19 Dec 2008 00:00:20 -0800 In particular, the invention aims to provide a method for preparing paper pulp that is capable of producing a good quality paper pulp from highly-contaminated recycled paper, especially having a contaminant level in the dry state that is greater than or equal to 15% by weight. The invention relates to a... http://www.freshpatents.com/Two-vessel-reactor-system-and-method-for-hydrolysis-and-digestion-of-wood-chips-with-chemical-enhanced-wash-method-dt20081211ptan20080302492.php Fri, 19 Dec 2008 00:00:20 -0800 A reactor vessel system including: a first reactor vessel having a hydrolysate and liquid extraction screen, a first region above the extraction screen that is maintained at conditions promoting a hydrolysis reaction in the cellulosic material, a second region below the extraction screen in which the hydrolysis is substantially suppressed... http://www.freshpatents.com/Embossing-process-including-discrete-and-linear-embossing-elements-dt20081211ptan20080302493.php Fri, 19 Dec 2008 00:00:20 -0800 A method for producing a deep-nested embossed product is disclosed. The method comprises the steps of: a) providing an embossing apparatus having mating first and second embossing members; b) providing the first embossing member with a plurality of discrete embossing elements in a non-random pattern; c) providing the second embossing... http://www.freshpatents.com/Regenerated-cotton-board-material-and-method-of-manufacture-dt20081211ptan20080302494.php Fri, 19 Dec 2008 00:00:20 -0800 The present disclosure includes a regenerated cotton board material comprised of dry cut cotton lint fiber, and wood fiber. The regenerated cotton board material may further include non-cellulosic fibers such as synthetic fibers or other natural fibers. In an alternate embodiment, a cotton board material may be manufactured from a... http://www.freshpatents.com/Articles-comprising-fibres-and-or-fibrids-fibres-and-fibrids-and-process-for-obtaining-them-dt20081211ptan20080302495.php Fri, 19 Dec 2008 00:00:20 -0800 The present invention relates to novel articles, especially non-woven articles comprising fibres and/or fibrids. It also relates to novel fibres and fibrids and to a process for obtaining these fibres and fibrids.... http://www.freshpatents.com/Latex-treated-filler-slurries-for-use-in-papermaking-dt20081211ptan20080302496.php Fri, 19 Dec 2008 00:00:20 -0800 A continuous filler treatment process has been developed to enhance the fixation of anionic latex on filler in a short time. In this process anionic polymer dispersions (latex) are added to common papermaking filler slurries at ambient temperature and then mixed with water of temperature higher than the glass transition... http://www.freshpatents.com/Paper-product-with-increased-relative-wet-tensile-strength-and-softness-method-for-production-and-use-thereof-dt20081211ptan20080302497.php Fri, 19 Dec 2008 00:00:20 -0800 The present invention relates to flat paper products having an increased relative wet strength and softness, a method for the production of the same and also the use of paper products of this type in the form of tissue products. This is achieved by a cross-linkage of the cellulose fibres... http://www.freshpatents.com/Process-for-incorporating-poorly-substantive-paper-modifying-agents-into-a-paper-sheet-via-wet-end-addition-dt20081211ptan20080302498.php Fri, 19 Dec 2008 00:00:20 -0800 Synthetic co-polymers having moieties capable of forming hydrogen bonds, ionic bonds, or covalent bonds with cellulose fibers and paper modifying moieties capable of modifying a paper sheet are disclosed. These synthetic co-polymers are derived from the reaction of an aldehyde functional polymer and an aldehyde reactive paper modifying agent containing... http://www.freshpatents.com/Rope-guide-arrangement-dt20081211ptan20080302499.php Fri, 19 Dec 2008 00:00:20 -0800 Rope guide arrangement, deflection device, and method for guiding a leader strip of a material web through a device. The arrangement includes at least two ropes being arranged offset relative to one another in a first plane defined by a machine direction and a transverse machine direction. Further, the at...