SULFA-CHECK
Live / Registered — Registered and renewed (as of 12 Dec 2025)
What this means for you
Registered since 05 Nov 1985. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 05 Nov 2025).
Record
- Serial number
- 73497230
- Registration number
- 1368469
- Mark type
- Word mark
- Filed
- 30 Aug 1984
- Published for opposition
- 06 Aug 1985
- Registered
- 05 Nov 1985
- Next maintenance due
- 05 Nov 2025
- Attorney of record
- Christopher M. Kindel
Goods and services
- Class 001 — Chemicals: CHEMICALS USED FOR REMOVING HYDROGEN SULFIDE FROM NATURAL GAS
Owner
- ECOLAB USA INC., ST. PAUL, MN, US
- NALCO COMPANY, NAPERVILLE, IL, US
- NALCO COMPANY, NAPERVILLE, IL
- NALCO ENERGY SERVICES, L.P., SUGAR LAND, TX, US
- EXXON CORPORATION (NJ CORP.), IRVING, TX, US
- NL INDUSTRIES, INC., NEW YORK, NY, US
- NL INDUSTRIES, INC., NEW YORK, NY, US
- NL INDUSTRIES, INC., NEW YORK, NY, US
Prosecution history
- 12 Dec 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 12 Dec 2025 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 12 Dec 2025 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 12 Dec 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 03 Sept 2025 — TEAS SECTION 8 & 9 RECEIVED
- 27 May 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 27 May 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 27 May 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 27 May 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 27 May 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 05 Nov 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 15 Feb 2018 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 15 Feb 2018 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 17 Jan 2018 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 11 Dec 2017 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED