Patents

US 7786317 B2: Process for epoxidizing propene

Granted
2010-08-31
Filed
2006-12-18 application 12159404
Type
Utility · 22 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.

Source: PVGPATDIS, file of 2026-04-10 (ipg100831.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
BASF SE 6,481 patentsForeign company or organizationLudwigshafen, DEPVGPATDIS, file of 2026-04-10
THE DOW CHEMICAL COMPANY 17 patentsUS company or organizationMidland, MITHE DOW CHEMICAL COMPANY Federal lobbying client EXACT high confidence: identical full name and statePVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Hans-Georg GoebbelKallstadt, DE6PVGPATDIS, file of 2026-04-10
Peter BasslerViernheim, DE11PVGPATDIS, file of 2026-04-10
Joaquim Henrique TelesOtterstadt, DE109PVGPATDIS, file of 2026-04-10
Peter RudolfLadenburg, DE32PVGPATDIS, file of 2026-04-10
Ulrich MuellerNeustadt, DE173PVGPATDIS, file of 2026-04-10
Anna ForlinVigonza, IT7PVGPATDIS, file of 2026-04-10
Malte SchulzStade, DE2PVGPATDIS, file of 2026-04-10
Meinolf WeidenbachDrochtersen, DE14PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
C07DHeterocyclic compoundsC07D301/12PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2010-11-11Name change
Change in legal form
BASF AKTIENGESELLSCHAFT signed 2008-01-14BASF SE LUDWIGSHAFEN25347/24ECORSEXC, file of 2026-09-25
2008-07-01Assignment
Assignment of assignor's interest
FORLIN, ANNA signed 2007-01-15
SCHULZ, MALTE signed 2007-01-24
WEIDENBACH, MEINOLF signed 2007-01-29
GOEBBEL, HANS-GEORG signed 2007-02-01
RUDOLF, PETER signed 2007-02-05
MUELLER, ULRICH signed 2007-02-06
BASSLER, PETER signed 2007-02-12
TELES, JOAQUIM HENRIQUE signed 2007-02-13
BASF AKTIENGESELLSCHAFT LUDWIGSHAFEN
THE DOW CHEMICAL COMPANY MIDLAND, MI
21176/487ECORSEXC, 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.