STERFLOW XFR
Live / Allowed — Published for opposition (as of 10 Feb 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 15 Aug 2025 filing date already counts against anyone who files later.
Record
- Serial number
- 99340236
- Mark type
- Stylized text
- Filed
- 15 Aug 2025
- Published for opposition
- 10 Feb 2026
- Attorney of record
- Frederick A. Spaeth
Goods and services
- Class 001 — Chemicals: Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking
Owner
- Sterling Specialty Chemicals Holding UK Limited, Harrow, Middlesex, GB
- Sterling Specialty Chemicals Holding UK Limited, Harrow, Middlesex, GB
Prosecution history
- 10 Feb 2026 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 10 Feb 2026 — PUBLISHED FOR OPPOSITION
- 04 Feb 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 13 Jan 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 08 Jan 2026 — ASSIGNED TO EXAMINER
- 07 Jan 2026 — ASSIGNED TO EXAMINER
- 06 Jan 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 15 Aug 2025 — APPLICATION FILING RECEIPT MAILED
- 15 Aug 2025 — NEW APPLICATION ENTERED