OPTIBENT
Live / Registered — Registered and renewed (as of 27 Apr 2021)
What this means for you
Registered since 12 Sept 2000. 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 12 Sept 2020).
Record
- Serial number
- 75621651
- Registration number
- 2384875
- Mark type
- Word mark
- Filed
- 14 Jan 1999
- Published for opposition
- 20 Jun 2000
- Registered
- 12 Sept 2000
- Next maintenance due
- 12 Sept 2020
- Attorney of record
- Farzad A. Panjshiri
Goods and services
- Class 001 — Chemicals: 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
Owner
- BYK-CHEMIE GMBH, WESEL, DE
- BYK ADDITIVES, GMBH, MOOSBURG, DE
- ROCKWOOD CLAY ADDITIVES GMBH, Moosburg, DE
- Sud Chemie AG, D-80333 Muenchen, DE
- Sud Chemie AG, D-80333 Muenchen, DE
- Sud Chemie AG, D-80333 Muenchen, DE
Prosecution history
- 26 Feb 2026 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 26 Feb 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 26 Feb 2026 — TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
- 26 Feb 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 26 Feb 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 01 Feb 2022 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 27 Apr 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 27 Apr 2021 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 27 Apr 2021 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 27 Apr 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 15 Jan 2021 — TEAS SECTION 8 & 9 RECEIVED
- 12 Sept 2019 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 21 Jan 2016 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 21 Jan 2016 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 18 Feb 2015 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP