Production of leather
US-11001902-B2 · May 11, 2021 · US
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Bertkau Walter patents
Bertkau Walter is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Bertkau Walter |
| Total patents | 5 |
| First publication | Jun 25, 2015 |
| Latest publication | May 11, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Process for acidizing using retarded acid formulations
US-10131831-B2 · Nov 20, 2018 · US
Process for acidizing using retarded acid formulations
US-2017037304-A1 · Feb 9, 2017 · US
Production of leather
US-2015376726-A1 · Dec 31, 2015 · US
Process For Dissolving Deposits Comprising Alkaline Earth Metal Sulfates
US-2015175872-A1 · Jun 25, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Basf Se | 5 |
| Basf Corp | 2 |
| Wintershall Holding GmbH | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K2208/30 | 2 |
| C09K8/74 | 2 |
| E21B43/25 | 2 |
| C09K8/602 | 2 |
| E21B43/27 | 2 |