Resin composition and optical compensation film using same
US-10126478-B2 · Nov 13, 2018 · US
This page is not indexed by search engines while we improve data quality.
Esters having free carboxylic acid groups
Esters having free carboxylic acid groups · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F22/16 |
| Official title | Esters having free carboxylic acid groups |
| Display label | Esters having free carboxylic acid groups |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin composition and optical compensation film using same
US-2017242174-A1 · Aug 24, 2017 · US
Ionic silicone hydrogels having improved hydrolytic stability
US-9260544-B2 · Feb 16, 2016 · US