1
Hou Min Chang, Hasan Jameel, Junfu Song, Dingru Pan, Bijan Amini, John R Webster, Bruce A Evans: Process for preparing a bleaching liquor containing percarboxylic acid and caros acid. North Carolina State University, E I Du Pont de Nemours and Company, Richard E Jenkins P A, December 31, 1996: US05589032 (5 worldwide citation)

A process for treating a substrate, e.g., lignocellulosic pulp or cellulosic pulps with a mixed peracid solution comprising percarboxylic acid and Caro's acid which results in a higher conversion rate of the active oxygen in the hydrogen peroxide in order to provide an inexpensive and effective deli ...


2
V R Parthasarathy, Meenaksi Sundaram, Hasan Jameel, Josef S Gratzl, Ronald J Klein: Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage. FMC Corporation, North Carolina State University, R E Elden, R L Andersen, April 30, 1991: US05011572 (5 worldwide citation)

A process is provided for a two-stage oxygen delignification of chemical pulp in which 0.01% to 1% hydrogen peroxide is incorporated into the first and, optionally the second stage. The invention is particularly suitable when the pulp is subsequently bleached with at least one chlorine dioxide stage ...


3
Hou Min Chang, Hasan Jameel, Junfu Song, Dingru Pan, Bijan Amini, John Robert Webster, Bruce A Evans: Method of oxidatively treating a substrate with an equilibrium mixture of caros acid and a percarboxylic acid. North Carolina State University, E I Du Pont de Nemours and Company, Richard E Jenkins P A, December 2, 1997: US05693185 (2 worldwide citation)

A process for treating a substrate, e.g., lignocellulosic pulp or cellulosic pulps, with a mixed peracid solution comprising percarboxylic acid and Caro's acid which results in a higher conversion rate of the active oxygen in the hydrogen peroxide in order to provide an inexpensive and effective del ...


4
Hou min Chang, Hasan Jameel, Geoffrey E Seger: High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process. North Carolina State University, Richard E Jenkins, December 7, 1993: US05268075 (2 worldwide citation)

A high-efficiency wood pulp bleaching process to produce wood pulps with higher brightness at equal chlorine dioxide usage or of equal brightness at significantly reduced chlorine dioxide usage. The process comprises reacting the chlorine dioxide with wood pulp at a pH of about 5-10 for about 5-40 m ...


5
Abdus Salam, Hasan Jameel, Lucian Lucia: Paper-strength agents and methods for improving pulp products. North Carolina State University, Meunier Carlin & Curfman, August 30, 2016: US09428865

Paper strength agents comprising a vegetable protein or polysaccharide and a cross linker are disclosed. Methods of preparing such agents and using them to increase the strength of a pulp product are also disclosed.


6
Goeffrey Eugene Seger, Hasan Jameel, Hou Min Chang: Chlorime dioxide pulp bleaching process using sequential chlorine addition. North Carlina State University, YANG HOUCHANG, June 5, 1991: CN90109214

A high-efficiency wood pulp bleaching process to produce wood pulps with high brightness and with high levels of chlorine substitution. The process comprises reacting chlorine and chlorine dioxide with wood pulp at a pH of about 7-10 for about 5-40 minutes. Next, the remaining chlorine is added and ...


7
Geoffrey Eugene Seger, Hasan Jameel, Hou Min Chang: High efficienecy chlorine dioxde pulp bleaching process. North Carolina State Univ, YANG HOUCHANG, June 12, 1991: CN90109504

A high-efficiency wood pulp bleaching process to produce wood pulps with higher brightness at equal chlorine dioxide usage or of equal brightness at significantly reduced chlorine dioxide usage. The process comprises reacting the chlorine dioxide with wood pulp at a pH of about 5-10 for about 5-40 m ...


8
Richard Phillips, Hasan Jameel, Hou Min Chang: High consistency enzymatic hydrolysis for the production of ethanol. February 16, 2012: US20120036768-A1

The presently disclosed subject matter related to methods of converting lignocellulosic materials to alcohol that include increasing the fiber consistency of enzymatic hydrolysis mixtures. More particularly, the methods involve contacting lignocellulosic biomass with an enzyme composition for a peri ...


9
Hasan Jameel, Richard Phillips, Hou Min Chang, Yongcan Jin: Production of ethanol from lignocellulosic biomass using green liquor pretreatment. December 29, 2011: US20110314726-A1

A method of producing an alcohol from lignocellulosic biomass is provided wherein the lignocellulosic biomass is pretreated with an alkaline mixture of sodium carbonate and sodium sulfate, i.e., green liquor, prior to enzymatic hydrolysis and fermentation. Pretreatment with the green liquor increase ...



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