Process for preparing aminomethylated bead polymers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 21, 2019
Grant Date -
Apr 21, 2016
app pub date -
Oct 21, 2015
filing date -
Oct 21, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
Aminomethylated bead polymers for use as ion exchangers, especially as anion exchangers, or for the preparation of chelate resins, are prepared in the presence of 1,3-dichloropropane as solvent and swelling agent.
First Claim
Other Claims data not available
Family
Loading Family data...
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08F Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 21, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 21, 2030 |
