MATERIALS USEFUL IN ERADICATING WEEDS

Brand Owner Address Description
LV4 AMERICAN CHEMICAL PAINT COMPANY PHILADELPHIA PA MATERIALS USEFUL IN ERADICATING WEEDS;LV 4;
 

Where the owner name is not linked, that owner no longer owns the brand

   
Technical Examples
  1. Improved eradicating fluids and eradicable inks are disclosed. A color changing eradicating fluid is disclosed which includes a volatile base, a pH sensitive dye and an eradicating agent whereby the dye changes color as the volatile base evaporates thereby provided a visual indication to the user when the eradicating fluid is sufficiently dry and ready to receive a corrected marking. A non-color changing eradicating fluid having a more moderate pH is also disclosed. The combination eradicable and re-write ink is disclosed which features phosphoric acid (or phosphorus pentoxide in solution) along with an eradicable dye. A combination writing and correction instrument that combines a disclosed eradicating fluid and a combination eradicable and re-write ink is also disclosed.