SULFATE-ALKALI

What this means for you

Not registered yet, but its 23 Feb 2026 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.

Record

Serial number

99666358

Mark type

Word mark

Filed

23 Feb 2026

Attorney of record

Rachel A. Nicholas

Goods and services

• Class 001 — Chemicals: Industrial chemicals, namely caustic soda, sodium hydroxide, potassium hydroxide, battery-grade lithium hydroxide and lithium hydroxide for use in industry, sulfuric acid, nitric acid, phosphoric acid, acetic acid, salts of carbonates, borates, ammonium sulfate fertilizer, and fertilizers derived from potassium and lithium sulfate, nitrate, and phosphate salts, for industrial use
• Class 007 — Machines and machine tools: Modular electrochemical systems, namely industrial-grade electrolyzer units, for onsite production of alkalis, acids, and other chemicals from inorganic and organic salt wastes; skid-mounted electrolyzers, sold as turnkey chemical production hardware, comprising integrated power supply, membrane stacks, pumps, piping, and control systems for industrial use; Integrated systems, namely fully engineered chemical production plants combining electrochemical cells, feed handling, and product recovery units for onsite production of caustic soda, namely, sodium hydroxide, sulfuric acid, ammonium sulfate fertilizer, lithium hydroxide and sulfuric acid, caustic soda and nitric acid, potassium hydroxide and nitric acid, lithium hydroxide and nitric acid, caustic soda and phosphoric acid, potassium hydroxide and phosphoric acid, lithium hydroxide and phosphoric acid, caustic soda and acetic acid, potassium hydroxide and acetic acid, and lithium hydroxide and acetic acid, for industrial use; containerized chemical production units, namely shipping-container-sized mobile plants housing complete electrochemical and process systems comprising electrochemical cells, feed handling, and product recovery units for distributed industrial chemical manufacturing
• Class 011 — Environmental control apparatus: Advanced membranes and their associated stack components, namely ion-exchange membranes, bipolar membranes, electrochemical cell frames, and electrodes for use in chemical production electrolyzers
• Class 035 — Advertising and business services: Retail and wholesale store services featuring industrial chemicals, namely caustic soda, sodium hydroxide, potassium hydroxide, lithium hydroxide, sulfuric acid, nitric acid, phosphoric acid, acetic acid, salts of carbonates, borates, ammonium sulfate fertilizer, and other fertilizers derived from potassium and lithium sulfate, nitrate, and phosphate salts; Transportation logistics services, namely, arranging the transportation of chemicals for others
• Class 037 — Building construction and repair services: Maintenance of electrolyzer systems and associated chemical production hardware; maintenance services for deployed electrolyzer systems, containerized chemical production units, and integrated chemical plants
• Class 039 — Transportation and storage services: Supply chain logistics and reverse logistics services, namely, transportation and delivery of industrial chemicals for others by air, rail, ship, or truck; packaging, and delivery services of chemicals; distribution of industrial chemicals, namely caustic soda, potassium hydroxide, lithium hydroxide, sulfuric acid, nitric acid, phosphoric acid, acetic acid, salts of carbonates, borates, ammonium sulfate fertilizer, and other fertilizers derived from potassium and lithium sulfate, nitrate, and phosphate salts
• Class 040 — Treatment of materials: Leasing of electrolyzer systems and containerized chemical production units to industrial clients
• Class 042 — Scientific and technological services: Design and engineering of electrochemical production units; remote monitoring services and diagnostic services for deployed electrolyzer systems, containerized chemical production units, and integrated chemical plants; industrial consulting for decarbonization and resource recovery, namely technical advisory services for converting industrial salt wastes into saleable chemicals using electrochemical methods, with applications in energy storage, agriculture, manufacturing, and water treatment; providing temporary use of cloud-based software tools for monitoring, optimization, and lifecycle management of electrolyzers and chemical production assets, and predictive maintenance and product output tracking; custom system integration and installation of electrochemical production units into client industrial facilities, namely onsite assembly, and commissioning, for systems processing sodium, potassium, and lithium salts of sulfate, nitrate, phosphate, and acetate into corresponding alkalis and acids

Owner

• Aepnus Technology Inc., Oakland, CA, US

Prosecution history

• 09 Oct 2026 — NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
• 09 Oct 2026 — LETTER OF SUSPENSION E-MAILED
• 09 Oct 2026 — SUSPENSION LETTER WRITTEN
• 30 Sept 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
• 30 Sept 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
• 30 Sept 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
• 01 Jul 2026 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
• 01 Jul 2026 — NON-FINAL ACTION E-MAILED
• 01 Jul 2026 — NON-FINAL ACTION WRITTEN
• 22 Jun 2026 — ASSIGNED TO EXAMINER
• 21 Jun 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
• 23 Feb 2026 — APPLICATION FILING RECEIPT MAILED
• 23 Feb 2026 — NEW APPLICATION ENTERED