Organo-modified silicone polymers and hydrogels comprising the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 2018
Issued Date -
N/A
app pub date -
Sep 22, 2014
filing date -
Mar 22, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hydrophilic silicone polymer composition suitable for use in producing hydrogel polymer films disclosed. In one aspect, a hydrophilic silicone monomer is of the Formula 1:A
m
B
nw (1)
where A is a divalent block comprising a silicone-containing pendant group. In one embodiment, the silicone-containing pendant group comprises polyalkylene oxide groups. The structure of the polymer can be controlled and tuned to provide a material with excellent wettability and oxygen permeability. The polymers are suitable for use in a variety of applications including in providing a film for forming contact lenses.
First Claim
Other Claims data not available
Family
International Classification(s)
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
- 2014 Application Filing Year
- C08G Class
- 2377 Applications Filed
- 2099 Patents Issued To-Date
- 88.31 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08G Class
- 0 % this patent is cited more than
- 7 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 | Aug 13, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2029 |
