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
Method and system for triggering message waiting indicator delivery
String changing tool with a quick connector assembly and worm gear string cutter
Horizontal cable manager
Vehicle lamp component
Image forming apparatus and control method therefor
Presenting a link to a user
Method and device for monitoring and analyzing signals
  Randomly Featured Patents
Antibodies that bind to .alpha.2-antiplasmin crosslinked to fibrin which do not inhibit plasma .alpha.2-antiplasmin
Closure system for vehicles
Macrocylic musk composition, organoleptic uses thereof and process for preparing same
Back position control device for chairs
Table
Growth of cells in hollow fibers in an agitated vessel
Editor, editing system, and editing method
Halftoning method using space filling curves
Method for cloning and expression of BsmAi restriction endonuclease and BsmAI methylase in E. coli
Method and an arrangement for feeding fish with a fodder