Patent Application
Utility
PCT National Stage
App. No. 19/140,467
· Confirmation No. 2062
PROCESS FOR PREPARING AN N-SUBSTITUTED-2-OXAZOLIDINONE
Applicant:
HUNTSMAN PETROCHEMICAL LLC
Docketed New Case - Ready for Examination
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| 2026-07-23 | NTC.PUB |
Notice of Publication | 1 | View | |
| 2026-04-20 | WCLM |
Claims Worksheet (PTO-2022) | 1 | View | |
| 2026-04-20 | M903 |
Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed | 2 | View | |
| 2026-04-20 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2026-04-20 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2026-04-20 | WELCOME.LET |
Welcome Letter from USPTO Director and Deputy Director | 1 | View | |
| 2025-10-21 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 2 | View | |
| 2025-10-21 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-10-21 | PA.. |
Power of Attorney | 1 | View | |
| 2025-07-02 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-07-02 | A.PE |
Preliminary Amendment | 1 | View | |
| 2025-07-02 | SPEC |
Specification | 1 | View | |
| 2025-07-02 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2025-06-18 | APP.TEXT |
Application body structured text document | — | View | |
| 2025-06-18 | SPEC |
Specification | 10 | View | |
| 2025-06-18 | CLM |
Claims | 3 | View | |
| 2025-06-18 | ABST |
Abstract | 1 | View | |
| 2025-06-18 | OATH |
Oath or Declaration filed | 1 | View | |
| 2025-06-18 | OATH |
Oath or Declaration filed | 1 | View | |
| 2025-06-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2025-06-18 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2025-06-18 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 4 | View | |
| 2025-06-18 | ADS |
Application Data Sheet | 8 | View | |
| 2025-06-18 | P.N.101.CONV |
PCT/RO/101 - Request form for new International Application - Conventional | 4 | View | |
| 2025-06-18 | FRPR |
Certified Copy of Foreign Priority Application | 30 | View | |
| 2025-06-18 | ABST |
Abstract | 1 | View | |
| 2025-06-18 | SPEC |
Specification | 10 | View | |
| 2025-06-18 | CLM |
Claims | 3 | View |
Inventors
Hui ZHOU
The Woodlands, TX
Howard P. KLEIN
The Woodlands, TX
Attorneys & Agents of Record
Classification
USPC
514/376
C07D263/22
Prosecution
- Examiner
- CENTRAL, DOCKET
- Art Unit
- OPAP
- Customer No.
- 29089
- Docket No.
- 81898 US
- Confirmation No.
- 2062
Publication
- Pub. No.
- US20260209192A1
- Pub. Date
- 2026-07-23
from
HUNTSMAN ADVANCED MATERIALS AMERICAS LLC,
HUNTSMAN INTERNATIONAL LLC,
HUNTSMAN NANOCOMP LLC,
HUNTSMAN PETROCHEMICAL LLC
SECURITY INTEREST
Recorded 2026-05-04
from
HUNTSMAN ADVANCED MATERIALS AMERICAS LLC,
HUNTSMAN INTERNATIONAL LLC,
HUNTSMAN NANOCAMP LLC,
HUNTSMAN PETROCHEMICAL LLC
PATENT SECURITY AGREEMENT
Recorded 2026-03-10
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2025-09-11
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Quick Facts
- App. No.
- 19/140,467
- Filed
- 2025-06-18
- Pub. No.
- US20260209192A1
- Examiner
- CENTRAL, DOCKET
- Art Unit
- OPAP
External Links