SILWET L-77

What this means for you

Registered since 29 Sept 1992. 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 29 Sept 2022).

Record

Serial number

74184430

Registration number

1719724

Mark type

Word mark

Filed

12 Jul 1991

Published for opposition

07 Jul 1992

Registered

29 Sept 1992

Next maintenance due

29 Sept 2022

Attorney of record

Joseph E Waters

Goods and services

• Class 001 — Chemicals: organo silicone surfactants and surfactant mixtures for use in agricultural chemicals

Owner

• Momentive Performance Materials Inc., Niskayuna, NY, US
• CROMPTON CORPORATION, MIDDLEBURY, CT, US
• OSI SPECIALTIES, INC., Danbury, CT, US
• Union Carbide Chemicals & Plastics Technology Corporation, Wilmington, DE, US
• Union Carbide Chemicals & Plastics Technology Corporation, Wilmington, DE, US
• Union Carbide Chemicals & Plastics Technology Corporation, Wilmington, DE, US

Prior registrations

• Registration 1244021

Prosecution history

• 18 Feb 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 18 Feb 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 18 Feb 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 18 Feb 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
• 18 Feb 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
• 23 Dec 2025 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
• 19 Apr 2023 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
• 27 Mar 2023 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
• 27 Mar 2023 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
• 27 Mar 2023 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
• 27 Mar 2023 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
• 15 Sept 2022 — TEAS SECTION 8 & 9 RECEIVED
• 29 Sept 2021 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
• 26 Mar 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
• 26 Mar 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED