SULFA-CHECK Trademark

Trademark Overview

On Thursday, August 30, 1984, a trademark application was filed for SULFA-CHECK with the United States Patent and Trademark Office. The USPTO has given the SULFA-CHECK trademark a serial number of 73497230. The federal status of this trademark filing is REGISTERED AND RENEWED as of Friday, December 12, 2025. This trademark is owned by NL INDUSTRIES, INC.. The SULFA-CHECK trademark is filed in the Chemical Products category with the following description:

CHEMICALS USED FOR REMOVING HYDROGEN SULFIDE FROM NATURAL GAS
sulfa-check

General Information

Serial Number73497230
Word MarkSULFA-CHECK
Filing DateThursday, August 30, 1984
Status800 - REGISTERED AND RENEWED
Status DateFriday, December 12, 2025
Registration Number1368469
Registration DateTuesday, November 5, 1985
Mark Drawing1 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, August 6, 1985

Trademark Statements

Goods and ServicesCHEMICALS USED FOR REMOVING HYDROGEN SULFIDE FROM NATURAL GAS

Classification Information

International Class001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
US Class Codes006
Class Status Code6 - Active
Class Status DateMonday, September 24, 1984
Primary Code001
First Use Anywhere DateFriday, July 13, 1984
First Use In Commerce DateFriday, July 13, 1984

Trademark Owner History

Party NameECOLAB USA INC.
Party Type44 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressST. PAUL, MN 55102
Party NameNALCO COMPANY
Party Type43 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressNAPERVILLE, IL 605631198
Party NameNALCO COMPANY
Party Type42 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressNAPERVILLE, IL 605631198
Party NameNALCO ENERGY SERVICES, L.P.
Party Type41 - New Owner After Registration
Legal Entity Type13 - Limited Partnership
AddressSUGAR LAND, TX 77478
Party NameEXXON CORPORATION (NJ CORP.)
Party Type40 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressIRVING, TX 750622298
Party NameNL INDUSTRIES, INC.
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressNEW YORK, NY 10020
Party NameNL INDUSTRIES, INC.
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressNEW YORK, NY 10020
Party NameNL INDUSTRIES, INC.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressNEW YORK, NY 10020

Trademark Events

Event DateEvent Description
Thursday, December 27, 1984ASSIGNED TO EXAMINER
Thursday, January 10, 1985NON-FINAL ACTION MAILED
Tuesday, May 28, 1985CORRESPONDENCE RECEIVED IN LAW OFFICE
Tuesday, June 11, 1985APPROVED FOR PUB - PRINCIPAL REGISTER
Sunday, July 7, 1985NOTICE OF PUBLICATION
Tuesday, August 6, 1985PUBLISHED FOR OPPOSITION
Tuesday, November 5, 1985REGISTERED-PRINCIPAL REGISTER
Tuesday, November 5, 1991REGISTERED - SEC. 8 (6-YR) FILED
Wednesday, March 25, 1992REGISTERED - SEC. 8 (6-YR) ACCEPTED
Friday, February 27, 2004PAPER RECEIVED
Monday, October 17, 2005TEAS SECTION 8 & 9 RECEIVED
Monday, October 17, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Friday, November 11, 2005ASSIGNED TO PARALEGAL
Friday, November 11, 2005REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, November 11, 2005REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Tuesday, November 29, 2005PAPER RECEIVED
Wednesday, December 7, 2005UNDELIVERABLE MAIL - NO ACTION TAKEN
Friday, January 13, 2006CASE FILE IN TICRS
Wednesday, August 15, 2007ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Monday, April 27, 2015TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Monday, April 27, 2015ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, August 27, 2015TEAS SECTION 8 & 9 RECEIVED
Friday, September 25, 2015CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Friday, September 25, 2015POST REGISTRATION ACTION MAILED - SEC. 8 & 9
Wednesday, October 28, 2015ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Wednesday, November 25, 2015ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Tuesday, January 19, 2016TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
Saturday, April 16, 2016REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Saturday, April 16, 2016REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Saturday, April 16, 2016NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Monday, December 11, 2017TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Monday, December 11, 2017ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Wednesday, January 17, 2018AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Thursday, February 15, 2018TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, February 15, 2018ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, November 5, 2024COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Tuesday, May 27, 2025TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, May 27, 2025APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Tuesday, May 27, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, May 27, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, May 27, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED
Wednesday, September 3, 2025TEAS SECTION 8 & 9 RECEIVED
Friday, December 12, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Friday, December 12, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, December 12, 2025REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Friday, December 12, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Related Keywords

check sulfa from natural sulfide hydrogen used removing chemicals