Plant and efficient process for producing polylactic acid
US-2025346715-A1 · Nov 13, 2025 · US
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Stepanski Manfred patents
Stepanski Manfred is listed as an inventor on 26 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Stepanski Manfred |
| Total patents | 26 |
| First publication | Jun 18, 2015 |
| Latest publication | Nov 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Plant and efficient process for producing polylactic acid using lactide obtained from polylactic acid devolatilization
US-2025289925-A1 · Sep 18, 2025 · US
Process and apparatus for preparing purified styrene composition using divided-wall column and crystallization unit
US-12338215-B2 · Jun 24, 2025 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-12077497-B2 · Sep 3, 2024 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-2024132426-A1 · Apr 25, 2024 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-11919853-B2 · Mar 5, 2024 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-11891358-B2 · Feb 6, 2024 · US
Process and apparatus for preparing purified styrene composition using divided-wall column and crystallization unit
US-2023365480-A1 · Nov 16, 2023 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-2023174440-A1 · Jun 8, 2023 · US
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
US-2023174441-A1 · Jun 8, 2023 · US
Recent patents
Latest publications not already listed above.
Plant and method for purifying an isomeric monomer
US-11613518-B2 · Mar 28, 2023 · US
Plant and method for purifying an isomeric monomer
US-2021179547-A1 · Jun 17, 2021 · US
Semi-continuous crystallization method and apparatus
US-10981844-B2 · Apr 20, 2021 · US
Process for purifying a crude composition including a monoterpene compound, such as a monocyclic monoterpene alcohol, by layer melt crystallization
US-10745332-B2 · Aug 18, 2020 · US
Process for purifying a crude composition including a monoterpene compound, such as a monocyclic monoterpene alcohol, by layer melt crystallization
US-2020071249-A1 · Mar 5, 2020 · US
Apparatus, use of apparatus and process for desalination of water
US-10118836-B2 · Nov 6, 2018 · US
Method for purification of benzoic acid
US-10112886-B2 · Oct 30, 2018 · US
Process and apparatus for purification of a stream containing a cyclic ester of an alpha-hydroxycarboxylic acid
US-10058795-B2 · Aug 28, 2018 · US
Semi-Continuous Crystallization Method and Apparatus
US-2018179121-A1 · Jun 28, 2018 · US
Apparatus and process for desalination of water
US-9688548-B2 · Jun 27, 2017 · US
Method for the manufacture of a polyhydroxy-carboxylic acid
US-9637587-B2 · May 2, 2017 · US
Method for Purification of Benzoic Acid
US-2017107167-A1 · Apr 20, 2017 · US
Process and Apparatus for Purification of a Stream Containing a Cyclic Ester of an Alpha-Hydroxycarboxylic Acid
US-2016024043-A1 · Jan 28, 2016 · US
Apparatus, Use of Appratus and Process for Desalination of Water
US-2015210562-A1 · Jul 30, 2015 · US
Apparatus and Process for Desalination of Water
US-2015203373-A1 · Jul 23, 2015 · US
Method for the Manufacture of a Polyhydroxy-Carboxylic Acid
US-2015166721-A1 · Jun 18, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Sulzer Management Ag | 15 |
| Sulzer Chemtech Ag | 12 |
| Futerro Sa | 2 |
| Stepanski Manfred | 1 |
| Loviat Francois | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D2009/0086 | 15 |
| B01D9/0013 | 15 |
| B01D9/0059 | 13 |
| B01D3/143 | 11 |
| C07C7/14 | 10 |