TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/18/2026
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Official data from USPTO
SILWET L-77
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Active USPTO registrationType: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
54
Latest update
02/20/2026
Trademark type
Word
Nice classes
1
Filing date
07/12/1991
Registration date
09/29/1992
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/27/2023
Last transaction
02/20/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
01/20/1981
First use in commerce
01/20/1981
Drawing code
1
Owner type
03
Owner location
Niskayuna, NY, US
Examiner
NASH, LAURA
Law office
G50
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
Momentive Performance Materials Inc.
C. C. (pessoa física)
OSI SPECIALTIES, INC.
Union Carbide Chemicals & Plastics Technology Corporation
Representatives
Joseph E Waters Momentive Performance Materials Inc.
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
organo silicone surfactants and surfactant mixtures for use in agricultural chemicals
Publications
History of USPTO decisions and trademark events.
54 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/18/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/18/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/18/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/18/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/23/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/19/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/27/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/27/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/27/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/27/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
09/15/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/29/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/26/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/26/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/26/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/26/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/26/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/26/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/26/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/26/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/26/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/26/2020
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/12/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/29/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/18/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/05/2014
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/08/2013
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/17/2013
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
09/18/2012
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
09/18/2012
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/18/2012
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/18/2012
E89R
TEAS SECTION 8 & 9 RECEIVED
09/05/2012
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/30/2012
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/29/2009
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/08/2009
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/07/2008
CFIT
CASE FILE IN TICRS
03/11/2008
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/04/2007
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/09/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
03/13/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/13/2003
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
01/06/2003
E89R
TEAS SECTION 8 & 9 RECEIVED
01/06/2003
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
03/22/1998
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
02/09/1998
R.PR
REGISTERED-PRINCIPAL REGISTER
09/29/1992
PUBO
PUBLISHED FOR OPPOSITION
07/07/1992
NPUB
NOTICE OF PUBLICATION
06/05/1992
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
04/14/1992
CNEA
EXAMINER'S AMENDMENT MAILED
04/07/1992
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/31/1992
CNRT
NON-FINAL ACTION MAILED
11/18/1991
Continuous trademark protection
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