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
Apparatus and method for information processing, program, and recording medium
Battery pack with connecting device
Exposure apparatus, exposure method, and device manufacturing method
JTAG multiplexer with clock/mode input, mode/clock input, and clock output
Oxidative coupling of hydrocarbons as heat source
Crowd control barrier II
Process for preparing higher hydridosilanes
  Randomly Featured Patents
Serine protease variants having peptide ligase activity
Autofocus system and method of using the same
Bearing arrangement for a roll of a rolling mill stand
Lighting device
Lid handle
Tilt table
Regeneration of carbon employed in the wet process production of phosphoric acid
Global positioning system digital receiver
Vehicle air freshener diffuser
Handled, microwave popcorn service apparatus