Patents
US 8785670 B2: Process for the production of propylene oxide
- Granted
- 2014-07-22
- Filed
- 2011-12-06 application 13312222
- Type
- Utility · 21 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A continuous process for the production of propylene oxide comprising reacting propene with hydrogen peroxide in methanolic solution in the presence of a titanium silicalite-1 catalyst to obtain propylene oxide, wherein a reaction feed comprising propene, methanol and hydrogen peroxide is introduced into a reactor, said reaction feed containing potassium cations and phosphorus in the form of anions of at least one phosphorus oxyacid.
Source: PVGPATDIS, file of 2026-04-10 (ipg140722.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| BASF SE 6,481 patents | Foreign company or organization | Ludwigshafen, DE | PVGPATDIS, file of 2026-04-10 | |
| THE DOW CHEMICAL COMPANY 17 patents | US company or organization | Midland, MI | THE DOW CHEMICAL COMPANY Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Joaquim Henrique Teles | Waldsee, DE | 109 | PVGPATDIS, file of 2026-04-10 | |
| Kai Gumlich | Mannheim, DE | 15 | PVGPATDIS, file of 2026-04-10 | |
| Peter Bassler | Viernheim, DE | 11 | PVGPATDIS, file of 2026-04-10 | |
| Christian Bartosch | Mannheim, DE | 12 | PVGPATDIS, file of 2026-04-10 | |
| Philip Kampe | Lorsch, DE | 10 | PVGPATDIS, file of 2026-04-10 | |
| Hans-Georg Goebbel | Kallstadt, DE | 6 | PVGPATDIS, file of 2026-04-10 | |
| Ulrich Mueller | Neustadt, DE | 173 | PVGPATDIS, file of 2026-04-10 | |
| Richard Jacubinas | Bloomfield, NJ | 8 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07D | Heterocyclic compounds | C07D301/12 | PVGPATDIS, file of 2026-04-10 |
| Y02P | Climate change mitigation technologies in the production or processing of goods | Y02P20/582 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2012-02-22 | Assignment Assignment of assignor's interest | JACUBINAS, RICHARD signed 2011-08-09 TELES, JOAQUIM HENRIQUE signed 2011-09-30 GUMLICH, KAI signed 2011-10-04 BASSLER, PETER signed 2011-10-06 KAMPE, PHILIP signed 2011-10-06 GOEBBEL, HANS-GEORG signed 2011-10-10 MUELLER, ULRICH signed 2011-10-17 BARTOSCH, CHRISTIAN signed 2011-11-21 | BASF SE LUDWIGSHAFEN THE DOW CHEMICAL COMPANY MIDLAND, MI | 27742/947 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.