Use of PEO-PBO block copolymers in ophthalmic compositions
US-9574160-B2 · Feb 21, 2017 · US
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Ketelson Howard Allen patents
Ketelson Howard Allen holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Apr 7, 2015 |
| Latest publication | Feb 21, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Use of PEO-PBO block copolymers in ophthalmic compositions
US-9574160-B2 · Feb 21, 2017 · US
Ethyleneoxide butyleneoxide block copolymer compositions
US-9175249-B2 · Nov 3, 2015 · US
Interaction control of cationic biocides using labile anionic polyelectrolytes
US-9040510-B2 · May 26, 2015 · US
Use of PBO-PEO-PBO block copolymers in ophthalmic compositions
US-8999312-B2 · Apr 7, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C11D1/008 | 3 |
| A61P27/02 | 2 |
| C11D3/0078 | 2 |
| C11D3/48 | 2 |
| A61P31/00 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Human Necessities | 4 |
| Chemistry & Metallurgy | 3 |
| Operations & Transport | 1 |
| Cross-Sectional Technologies | 1 |