Modified poly (styrene-co-maleic anhydride) and uses thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 11, 2017
Grant Date -
Jan 23, 2014
app pub date -
Jan 20, 2012
filing date -
Jan 21, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polymeric compound is provided having the general formula (A) wherein R is an alkyl chain preferably having from 1 to 6 carbon atoms in the chain which may be either saturated or unsaturated and may have substituents attached to the chain, and R′ and R″, which may be the same or different from each other and preferably have from 1 to 4 carbon atoms in a chain, are selected from alkyl groups, substituted or unsubstituted, or R′ and R″ are linked to form a saturated or unsaturated cyclic moiety incorporating the adjacent nitrogen atom, with or without additional heteroatoms in the ring. The polymeric compound is preferably in a particulate form and most particularly in the form of nanoparticles. A method of producing the polymers is disclosed. A method of adsorbing, separating and stripping the polymers is also disclosed.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2012 Application Filing Year
- C22B Class
- 304 Applications Filed
- 250 Patents Issued To-Date
- 82.24 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C22B Class
- 47.30 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 11, 2029 |
