| BUCKMAN LABORATORIES INTERNATIONAL, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120103549 | Papermaking And Products Made Thereby With Ionic Crosslinked Polymeric Microparticle - Enhancement of papermaking drainage and retention properties of aqueous cellulosic suspensions used for production of paper or paper board with a retention/drainage additive system including ionic crosslinked acrylic acid-acrylate copolymer microparticles is described. Paper and paperboard products made with these copolymer microparticles are also described. | 05-03-2012 |
| 20110300587 | Methods To Degrade Sludge From Pulp And Paper Manufacturing - A method to degrade or digest sludge, such as from pulp and/or paper manufacturing, is described. Compositions to use in the method are further described. | 12-08-2011 |
| 20110253333 | Paper Making Processes and System Using Enzyme and Cationic Coagulant Combination - A method is described for making paper or paper board by applying a composition containing enzyme and cationic coagulant to papermaking pulp prior to paper forming to preferably improve drainage, retention, or both. Sheets of pulp from which paper or paperboard products are made with the method can exhibit excellent drainage, excellent retention of pulp fines, or both. The method also can be applied to other pulp treatments, such as waste water treatments. A system for making such treatments of paper furnish is also provided. | 10-20-2011 |
| 20110230394 | Processes Using Antibiotic Alternatives In Bioethanol Production - Methods for controlling the growth of bacteria in ethanol fermentation systems with antibiotic alternatives, which can be nonoxidizing biocides, stabilized oxidizers, or any combinations thereof, are described. As an option, a process or composition of the present invention can include one or more polycyclic antibacterial peptides. The methods can provide improvements, such as increased ethanol yields with minimal carryover of biocide into co-products of the processes. | 09-22-2011 |
| 20100326615 | Papermaking And Products Made Thereby With High Solids Glyoxalated-Polyacrylamide And Silicon-Containing Microparticle - Enhancement of papermaking drainage and retention properties of aqueous cellulosic suspensions used for production of paper or paper board with a retention/drainage additive system including high solids glyoxalated polyacrylamide polymers in combination with silicon-containing microparticles is described. | 12-30-2010 |
| 20100173018 | Microbicidal Compositions Including Activated Nitrogenous Compound and 1,4-Bis(Bromoacetoxy)-2-Butene, and Methods Of Using The Same - Microbicidal compositions for aqueous systems are provided that include (a) a nitrogenous compound activated by an oxidant or an enzyme and (b) 1,4-bis(bromoacetoxy)-2-butene (BBAB). The components are present in a combined amount synergistically effective to control the growth of at least one microorganism. Methods for controlling the growth of microorganisms in aqueous systems with the compositions are also provided. | 07-08-2010 |
| 20100126680 | Method For Controlling Enzymatic Decomposition Of Peroxide and Products Thereof - A method is described controlling enzymatic decomposition of peroxide comprising contacting a composition containing a peroxide decomposing enzyme with an aldehyde functional polymer added in an amount effective to control the enzyme. There also is a method described for bleaching cellulose pulp, such as recycled paper pulp or other pulps, with an aldehyde functional polymer introduced in an amount effective to control peroxide decomposing enzymes present in the pulp being bleached. Paper products containing the aldehyde functional polymer used to control peroxide decomposing enzymes in a bleaching treatment of cellulose pulp are also provided. | 05-27-2010 |
| 20090314446 | Low Amidine Content Polyvinylamine, Compositions Containing Same and Methods - Low amidine content poly(N-vinylformamide-co-vinylamine) (PVAm), is described, as well as processes of making and providing same in fresh or aged formats, and the usage of such polymer to increase papermaking retention and drainage rate and enhance paper dry strength, and other applications. | 12-24-2009 |
| 20090084510 | Methods To Detect Organic Contaminants In Pulp and Fiber - A method to detect organic contaminants in pulp and fiber is described which uses hydrophobic dyes, such as fluorescent dyes. | 04-02-2009 |
| 20090014140 | Paper Making Compositions and Processes Using Protein Particulate, Colloidal Pigment, and Latex Polymer Combinations - A composition for treating paper products comprising protein particulate, colloidal pigment, synthetic latex polymer, and preservative is described, as well as methods and an apparatus using the composition for such treatments, and products obtained thereby. The treated paper products preferably have improved strength, water holdout, and/or ink holdout, amongst other advantages and benefits. | 01-15-2009 |
| 20090000752 | Use of Cyclodextrins For Odor Control In Papermaking Sludges, and Deodorized Sludge and Products - Methods to control and suppress odor in papermaking sludge are described. One method involves admixing sludge from a papermaking process and cyclodextrin to provide treated sludge with the cyclodextrin present in an effective amount to control odors in the treated sludge. The deodorized sludge may be used as a component of resin-wood composite products, such as composite decking materials, walls, flooring, casting forms, and the like. | 01-01-2009 |
| 20080308242 | High Solids Glyoxalated Polyacrylamide - Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates. | 12-18-2008 |
| 20080283207 | Methods To Control Organic Contaminants In Fibers - Methods to control organic contaminants in fibers are described. One method involves contacting the fibers with a composition containing water-soluble cellulose derivative and ester hydrolyzing enzyme, for a sufficient time and in a sufficient amount to control the organic contaminants present in the fibers. This method is effective to reduce stickies in paper mill furnish formed with recycled fibers. A method for pitch control in paper mill furnish formed with virgin fibers is also provided by the additional inclusion of lipoxygenase in the composition. Resulting paper products formed from the processed fibers are also described as well as methods to make them. | 11-20-2008 |
| 20080277084 | ASA Sizing Emulsions For Paper and Paperboard - ASA sizing emulsions are described, as well as emulsifying agents containing starch and a terpolymer of acrylamide/quaternary ammonium compound/glyoxal, and an ASA blend that contains ASA and a co-surfactant blend of anionic surfactant and nonionic surfactant. Processes for sizing paper products with the emulsions are also described. | 11-13-2008 |
| 20080241247 | Compositions and Methods To Control the Growth Of Microorganisms In Aqueous Systems - Compositions and methods for killing, preventing, or inhibiting the growth of microorganisms in an aqueous system or other systems are provided. The compositions can include at least one first cross-linkable polymer, at least one second cross-linkable polymer, and at least one cross-linking agent, wherein the water solubilities of each cross-linking polymer are different, such as by 10% to 100%. The compositions can further include at least one biocidal component. The compositions can be formulated to slowly release the biocidal component and/or the cross-linkable polymer, or rapidly release the biocidal component and slowly release the cross-linkable polymer. The compositions can be used to control algae. | 10-02-2008 |
| 20080230094 | METHOD TO INHIBIT GROWTH OF MICROORGANISMS IN AQUEOUS SYSTEMS AND ON SUBSTRATES USING PERSULFATE AND A BROMIDE - The invention is a method to inhibit the growth of at least one microorganism in an aqueous system capable of supporting such growth. This includes controlling, and preferably preventing, slime formation in the aqueous system. The method mixes a persulfate salt, a bromide salt, and water under conditions sufficient to form an active bromine-containing, [Br | 09-25-2008 |
