NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/12/2025
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Official data from USPTO
SULFA-CHECK
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Active USPTO registrationType: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
46
Latest update
01/06/2026
Trademark type
Word
Nice classes
1
Filing date
08/30/1984
Registration date
11/05/1985
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/12/2025
Last transaction
01/06/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
07/13/1984
First use in commerce
07/13/1984
Drawing code
1
Owner type
03
Owner location
ST. PAUL, MN
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
ECOLAB USA INC.
NALCO COMPANY
NALCO ENERGY SERVICES, L.P.
EXXON CORPORATION (NJ CORP.)
NL INDUSTRIES, INC.
Representatives
Christopher M. Kindel Pirkey Barber PLLC
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
CHEMICALS USED FOR REMOVING HYDROGEN SULFIDE FROM NATURAL GAS
Publications
History of USPTO decisions and trademark events.
46 publications found
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
12/12/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/12/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/12/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
09/03/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/27/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/27/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/27/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/27/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/27/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
11/05/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/15/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/15/2018
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/17/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/11/2017
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/11/2017
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/16/2016
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
04/16/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/16/2016
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
01/19/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/25/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/28/2015
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
09/25/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/25/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
08/27/2015
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/27/2015
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/27/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/15/2007
CFIT
CASE FILE IN TICRS
01/13/2006
UNDN
UNDELIVERABLE MAIL - NO ACTION TAKEN
12/07/2005
PAPER RECEIVED
11/29/2005
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
11/11/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/11/2005
PLGL
ASSIGNED TO PARALEGAL
11/11/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/17/2005
E89R
TEAS SECTION 8 & 9 RECEIVED
10/17/2005
PAPER RECEIVED
02/27/2004
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
03/25/1992
8.AF
REGISTERED - SEC. 8 (6-YR) FILED
11/05/1991
R.PR
REGISTERED-PRINCIPAL REGISTER
11/05/1985
PUBO
PUBLISHED FOR OPPOSITION
08/06/1985
NPUB
NOTICE OF PUBLICATION
07/07/1985
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
06/11/1985
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/28/1985
CNRT
NON-FINAL ACTION MAILED
01/10/1985
DOCK
ASSIGNED TO EXAMINER
12/27/1984
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