Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Qualitz; Marion
Address:
Hilden, DE
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4379721 Pressure sensitive recording materials April 12, 1983
The present invention relates to a pressure-sensitive recording material ing improved storability, lightfastness and heat resistance, which comprises a unit containing a dye precursor or its solution and a unit containing a dye acceptor material which is capable of color formation by










 
 
  Recently Added Patents
Point-of-sale cart
Method and apparatus for pre-scheduling in closed-loop MU-MIMO antenna system
Efficient relay automatic repeat request procedure in broadband wireless access system
Apparatus with a local timing circuit that generates a multi-phase timing signal for a digital signal processing circuit
Apparatus and method for multiple pagings in broadband wireless communication system
Method for mapping resource units
Methods and devices for creating, compressing and searching binary tree
  Randomly Featured Patents
Monitoring system of network
Footwear
Method and system for searching for words in ink word documents
Heterocyclic compound and use thereof
System and method for establishing communication services between different users
Faucet
Microprobe chip for detecting evanescent waves probe provided with the microprobe chip and evanescent wave detector, nearfield scanning optical microscope, and information regenerator provided
Phase modulator with terahertz optical bandwidth formed by multi-layered dielectric stack
Production of chloro-s-triazine triones
Hydrolase enzymes