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
Secure service for enabling communication for calling party when communication service for called party is suspended
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Method of controlling an indentation depth of an electrode into a metal substrate during welding
Multi-dimensional tuple support in rule engines
Random access point (RAP) formation using intra refreshing technique in video coding
Selective facsimile denial
Asynchronous loading of scripts in web pages
  Randomly Featured Patents
Memory device for managing timing parameters
Image forming apparatus
Apparatus for cutting and severing of a thin board from squared timber
Barium salt of benzimidazole derivative
Developing device having magnetic seals at end portions of a developer carrying member and a rotating regulating member
Shaft drive unit, in particular an electrical drive unit for driving a wheel shaft with a transverse shaft structure
Bicycle trailer
Determining defect depth and contour information in wafer structures using multiple SEM images
Amorphous silicon photovoltaic device having an insulating layer
Immobilization of pseudomonas lipase on surfaces for oil removal