OLEFINSULFONATE
European patent · EP4051755 · Deleted
Register entry
- Publication number
- EP4051755
- Application number
- EP20812478
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Oct 30, 2020
- Published
- Sep 7, 2022
- Granted
- Mar 13, 2024
- Deleted
- May 23, 2025
- Reason
- Annual fee unpaid
- IPC classes
- C09K 8/584 (2006.01)C09K 8/60 (2006.01)C09K 8/68 (2006.01)C09K 8/70 (2006.01)C09K 8/88 (2006.01)E21B 43/16 (2006.01)E21B 43/26 (2006.01)
- Priority
- US 201962929025 P 31.10.2019
- PCT application
- PCT/US2020/058260 30.10.2020
- PCT publication
- WO2021/087293 06.05.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 23, 2025
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.05.2025
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.05.2025
- Jan 22, 2025
Change
Published in Swissreg on 22.01.2025
- Jul 31, 2024
Owner
- Owner
- Chevron Oronite Company LLC, 6001 Bollinger Canyon Road, P.O. Box 6006, San Ramon, California 94583-0806, USA, Chevron U.S.A. Inc., 6001 Bollinger Canyon Road, San Ramon, California 94583-0806, USA → Chevron U.S.A. Inc., 5001 Executive Parkway, San Ramon, CA 94583, USA, Chevron Oronite Company LLC, 5001 Executive Parkway, San Ramon, CA 94583, USA
Published in Swissreg on 31.07.2024
- Mar 13, 2024
Granted
Published in Swissreg on 13.03.2024
Parties
Holder
Inventor
PINNAWALA, Gayani W.
San Ramon, California 94583-0806, US
DAVIDSON, Andrew M.
San Ramon, California 94583-0806, US
DWARAKANATH, Varadarajan
San Ramon, California 94583-0806, US
WANG, Ping
San Ramon, California 94583-0806, US
THOMAS, Andrew M.
San Ramon, California 94583-0806, US
CAMPBELL, Curtis B.
San Ramon, California 94583-0806, US
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.