31
Karl Erik Larsson: Cyclone separator. Cyclotech, August 5, 1997: US05653347 (32 worldwide citation)

A cyclone separator for separating substances from a fibre-liquid-suspension, particularly a paper pulp suspension, wherein the separator has a main part (3) which includes an inner conical chamber (4) that has a generally tangentially directed inlet at the wider end (5) of the chamber, and in which ...


32
Robert DiCosimo, John Edward Gavagan, Mark S Payne: Perhydrolase providing improved peracid stability. E I du Pont de Nemours and Company, March 22, 2011: US07910347 (31 worldwide citation)

An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis ...


33
Robert Dicosimo, John Edward Gavagan, Mark S Payne: Perhydrolase providing improved peracid stability. E I du Pont de Nemours and Company, April 12, 2011: US07923233 (31 worldwide citation)

An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis ...


34
Robert DiCosimo, John Edward Gavagan, Mark S Payne: Perhydrolase providing improved peracid stability. E I du Pont de Nemours and Company, April 19, 2011: US07927854 (31 worldwide citation)

An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis ...


35
Robert DiCosimo, John Edward Gavagan, Mark S Payne: Perhydrolase providing improved peracid stability. E I du Pont de Nemours and Company, June 14, 2011: US07960528 (31 worldwide citation)

An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis ...


36
Robert DiCosimo, John Edward Gavagan, Mark S Payne: Perhydrolase providing improved peracid stability. E I du Pont de Nemours and Company, April 26, 2011: US07932072 (31 worldwide citation)

An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a Thermotoga maritima acetyl xylan esterase gene was modified using error-prone PCR and site-directed mutagenesis ...


37
Joseph V Sinka, Irwin A Lichtman: Silica base defoamer compositions with improved stability. Diamond Shamrock Corporation, Leslie G Nunn, May 3, 1977: US04021365 (30 worldwide citation)

Defoamer compositions having improved stability are prepared from hydrophobic silica, quick-chilled amides, and hydrocarbon oil, with oil soluble organic polymers and surface-active additives as optional ingredients. These compositions are useful in defoaming aqueous systems including paper pulp bla ...


38
Hans U Huth, Walter Kamutzki: Neutral sizing agent for base paper stuff with the use of cationic plastics dispersions. Hoechst Aktiengesellschaft, Bierman and Muserlian, May 21, 1996: US05518585 (29 worldwide citation)

Neutral sizing of base paper pulp in a conventional aqueous suspension at a neutral pH for the production of sized, acid-free base paper by internal sizing with the use of aqueous cationic copolymer dispersions having a minimum cation activity of 20 .mu.mol/g of solids, more than half of the cationi ...


39
Milos Krofta: Apparatus for deinking waste paper pulp. Lenox Institute for Research, Edward T Connors, June 12, 1979: US04157952 (29 worldwide citation)

Apparatus for de-inking waste paper pulp using a foam flotation process in which the deinked slurry is to be recycled for the production of paper. The old paper is pulped (slushed), mixed with water and flotation- and other chemicals, to produce a slurry which is introduced into the flotation tank. ...


40
Risto A Ljokkoi: Method and apparatus for treating fiber suspension. A Ahlstrom Corporation, Nixon & Vanderhye, March 19, 1991: US05000842 (28 worldwide citation)

Fiber suspension, such as paper pulp flowing to the headbox of a paper machine, is acted upon by apparatus which affects the axial direction and magnitude of the speed of the fiber suspension during screening to optimize results. A rotor cooperates with a screen cylinder, the rotor having a pluralit ...



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