OPTIBENT
LIVE

Serial Number

75621651

Owner

BYK-CHEMIE GMBH

Attorney

Farzad A. Panjshiri

Filing Date

Jan 14, 1999

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OPTIBENT Trademark

Serial Number: 75621651 • Registration: 2384875

OPTIBENT is a trademark filed by BYK-CHEMIE GMBH on January 14, 1999. The trademark is classified under Class 1 (Chemicals). The application is currently registered and active.

Owner Contact Info

BYK-CHEMIE GMBH (56 trademarks)

Abelstrasse 45
D-46483 Wesel , DE

Entity Type: 16

BYK ADDITIVES, GMBH

STADTWALDSTR 44
MOOSBURG 85368 , DE

Entity Type: 03

ROCKWOOD CLAY ADDITIVES GMBH

Stadtwaldstr 44
Moosburg 85368 , DE

Entity Type: 03

Sud Chemie AG

Lenbachplatz 6
D-80333 Muenchen , DE

Entity Type: 03

Trademark Details

Filing Date

January 14, 1999

Registration Date

September 12, 2000

Published for Opposition

June 20, 2000

Goods & Services

CHEMICAL PRODUCTS FOR INDUSTRIAL USE, namely, CLAYS AND CLAY MINERALS, namely, [ KAOLITE, HECTORITE, ] MONTMORILLONITE [, NONTRONITE, VERMICULITE, ILLITE, AND MICA, ALL ] FOR USE AS SWELLING, THICKENING AND THIXOTROPIC AGENTS FOR THE MANUFACTURE OF SUSPENSIONS, [ FOR USE AS ADDITIVES FOR THE FLOATATION OF ORES, FOR USE AS FILLERS FOR MANUFACTURING SOAPS, PAPER, CARDBOARD AND PLASTICS, FOR USE AS BLEACHING AGENTS, ADSORPTION AGENTS AND DRYING AGENTS IN MANUFACTURING PROCESSES, FOR USE AS CATALYSTS AND CATALYST CARRIERS IN THE CHEMICAL AND PETROLEUM INDUSTRIES, AND FOR USE AS AGENTS FOR INDUSTRIAL PURIFICATION OF WATER AND WASTE WATER; FOUNDRY AUXILIARIES, namely, MOLDING SAND, CLAY SAND, BONDING CLAYS, CHEMICAL BINDING AGENTS FOR MOLDING SAND AND CORE SAND; AND MOLD RELEASE AGENTS FOR USE WITH SAND AND PIG MOLDS, CORES AND LASTING INGOT MOLDS; ] AUXILIARY AGENTS FOR USE IN CONSTRUCTION WORK, namely, CLAYS AND CLAY SUSPENSIONS FOR USE AS [ FLUSHING AGENTS AND AUXILIARY AGENTS IN THE OIL DRILLING INDUSTRY, DIAPHRAGM WALL AND TUNNEL BORING INDUSTRIES, AND CAISSON, SHAFT, PIPE AND WELL SINKING INDUSTRIES, FOR USE AS SEALING MATERIALS AGAINST EFFLUENT SEEPAGE THROUGH POROUS OR WATER PERMEABLE FORMATIONS OR ROCK IN THE CONSTRUCTION OF GARBAGE LANDFILL FACILITIES, FOR USE AS FILLER FOR EMBEDDING UNDERGROUND CABLES, FOR USE AS ] ADDITIVES FOR CONCRETE AND TAR, ASPHALT AND BITUMINOUS EMULSIONS

Filing History

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
Feb 26, 2026 EWAF
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Feb 26, 2026 TCCA
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
Feb 26, 2026 ECDR
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Feb 26, 2026 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Feb 26, 2026 REAP
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Feb 1, 2022 NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Apr 27, 2021 NA89
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Apr 27, 2021 RNL2
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Apr 27, 2021 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Apr 27, 2021 APRE
TEAS SECTION 8 & 9 RECEIVED
Jan 15, 2021 E89R
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Sep 12, 2019 REM2
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jan 21, 2016 TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jan 21, 2016 TCCA
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Feb 18, 2015 ASGN
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Dec 25, 2013 ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Dec 25, 2013 ASCK
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Nov 20, 2013 ASGN
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Feb 3, 2010 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Feb 3, 2010 89AG
TEAS SECTION 8 & 9 RECEIVED
Feb 2, 2010 E89R
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Nov 5, 2006 C15A
ASSIGNED TO PARALEGAL
Nov 5, 2006 PLGL
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Sep 7, 2006 815F
TEAS SECTION 8 & 15 RECEIVED
Sep 7, 2006 E815
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Sep 7, 2006 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Sep 7, 2006 COAR
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Sep 7, 2006 TCCA
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Aug 2, 2006 ASGN
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jul 6, 2006 TCCA
PAPER RECEIVED
May 25, 2006 MAIL
CASE FILE IN TICRS
Feb 16, 2006 CFIT
CASE FILE IN TICRS
Feb 16, 2006 CFIT
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Mar 10, 2003 TCCA
REGISTERED-PRINCIPAL REGISTER
Sep 12, 2000 R.PR
PUBLISHED FOR OPPOSITION
Jun 20, 2000 PUBO
NOTICE OF PUBLICATION
May 19, 2000 NPUB
APPROVED FOR PUB - PRINCIPAL REGISTER
Feb 18, 2000 CNSA
EXAMINER'S AMENDMENT MAILED
Feb 9, 2000 CNEA
NON-FINAL ACTION MAILED
Dec 2, 1999 CNRT
CORRESPONDENCE RECEIVED IN LAW OFFICE
Sep 24, 1999 CRFA
NON-FINAL ACTION MAILED
Jul 22, 1999 CNRT
ASSIGNED TO EXAMINER
Jul 7, 1999 DOCK