Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Rolf; Meinhard
Address:
Charleston, SC
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
5091532 Process for the preparation of pigments based on isoindole February 25, 1992
A new process for the preparation of pigments of the formula ##STR1## comprises first reacting phthalodinitrile in an organic medium in the presence of a base with an alcohol and then with a compound of the formula ##STR2## in the presence of water at a pH of 1-6.










 
 
  Recently Added Patents
Interferer region identification using image processing
Methods, systems and apparatus for displaying the multimedia information from wireless communication networks
Method for indicating the process of leaving a parking space
Memory with separate read and write paths
Sub-resolution assist feature repair
Support tray for server
Voltage regulators with improved wake-up response
  Randomly Featured Patents
Material having a conductive pattern; and a material and method for making a conductive pattern
Information providing apparatus
Hybrid vehicle
Method for forming PN junction isolation regions by forming buried regions of doped polycrystalline or amorphous semiconductor
Phosphorous removal system
Electroluminescent apparatus for illuminating a portable electronic or computing device
Cosmic and solar ray hot water heater
EUV condenser with non-imaging optics
Method and apparatus for vulcanizing tire
Round crib with dome top