Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Gratzl; Josef S.
Address:
Cary, NC
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
5888787 Selective enzymatic oxidation of aromatic methyl groups to aldehydes by oxygen in the presence o March 30, 1999
A method for oxidation of a pendant methyl moiety on an aromatic ring to the pendant aldehyde moiety is presented. The reaction employs laccase and the diammonium salt of 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid), and is carried out in the presence of oxygen.
5011572 Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinfor April 30, 1991
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 d
4826568 Process for delignification of cellulosic substances by pretreating with a complexing agent foll May 2, 1989
Process for the delignification of cellulosic substances comprising:a first stage of treatment of cellulosic substances with an acida second stage of treatment with hydrogen peroxide in an alkaline mediuma third stage of digestion in the presence of at least one chemical reactant chosen from sul
4826567 Process for the delignification of cellulosic substances by pretreating with a complexing agent May 2, 1989
Process for the delignification of cellulosic substances comprising:a first stage of treatment of cellulosic substances with an acida second stage of treatment with hydrogen peroxide in an alkaline mediuma third stage of digestion in the presence of at least one chemical reactant chosen from hyd










 
 
  Recently Added Patents
Soybean cultivar CL0911444
Method for identifying modulators of GPCR GPR1 function
Solid-state imaging device
Method for manufacturing light emitting diodes
Dual functional medium shredding machine structure
Personalized location information for mobile devices
Systems and methods for economic retirement analysis
  Randomly Featured Patents
Locating bearing assembly for wind turbine gearbox shaft
Urn
Foundation footing form and wall form support apparatus
Sulphonylurea-type herbicides
Light diffusing surface structure for a light guide in an information display
Driving screw and a method for forming lubricating film thereon
Computer front bezel
Socket connector having contact terminals with reliable and durable interconnection with pin legs of a CPU
Sleep unit having adjustable firmness
Methods and systems for managing content dependency deployment