Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for producing a material for heavy metal absorption or for analytically detecting heavy metals

Method for producing a material for heavy metal absorption or for analytically detecting heavy metals

US Patent 5993664 · Granted Nov 30, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mobile dispense device for chemicals used in micro-processing2018
Methods, apparatus, and systems for minimizing defectivity in top-coat-free lith2017
Method of detecting repeating defects in lithography masks on the basis of test 2011
Method and device for quickly and continually detecting changes in the concentra2005
Methods and systems for controlling resist residue defects at gate layer in a se2004
Methods and systems for controlling resist residue defects at gate layer in a se2003
Dual bake for BARC fill without voids2003
Radiation sensor arrangement for detecting the frequency of radiation impinging 1999
Process for dewatering zeolite suspensions1985
Preparation of solid, crystalline, substantially anhydrous sodium metasilicate1983
Process for the reduction of the particle size of coarse grain zeolitic sodium a1982