USPTO trademark

DURADEX

RegisteredUSPTOWord markClass 1

"DURADEX" is a word mark owned by Syensqo Specialty Polymers USA, LLC, filed at the USPTO on March 22, 1999. It is registered and covers class 1 (Chemicals).

View Syensqo Specialty Polymers USA, LLC portfolio Get this data via the API

Data current as of October 16, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since May 28, 2021
Filed: March 22, 1999
Registered: April 3, 2001
Expires: Not recorded
Application no.: 75663390
Registration no.: 2441502
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns DURADEX

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Syensqo Specialty Polymers USA, LLC

Alpharetta, United States

9 trademarks in the portfolioView company

Representative

Clifford D Hyra

Fresh IP PLC

Goods and services

What the mark covers

The products and services DURADEX is filed for, grouped by Nice class.

01Class 1 · Chemicals
thermoplastic polymers used in the manufacture of food service containers

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 16, 2026Teas change of correspondence received
October 16, 2026Attorney/dom.rep.revoked and/or appointed
October 16, 2026Teas revoke/app/change addr of atty/dom rep received
February 4, 2026Automatic update of assignment of ownership
November 27, 2023Teas change of correspondence received
November 27, 2023Attorney/dom.rep.revoked and/or appointed
November 27, 2023Teas revoke/app/change addr of atty/dom rep received
May 28, 2021Notice of acceptance of sec. 8 & 9 - e-mailed
May 28, 2021Registered and renewed (second renewal - 10 yrs)
May 28, 2021Registered - sec. 8 (10-yr) accepted/sec. 9 granted

10 earlier steps on the official record.

FAQ

About DURADEX

Who owns the trademark "DURADEX"?

The USPTO trademark "DURADEX" (application 75663390) is owned by Syensqo Specialty Polymers USA, LLC.

What is the status of "DURADEX"?

Its status at the USPTO is: registered.

When was "DURADEX" registered?

It was registered on April 3, 2001.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull DURADEX and marks like it into your own product with one request.

GET/v1/trademarks/{id}
The full record: owners, classes, dates and images
GET/v1/trademarks/{id}/events
Every step in the office history
GET/v1/proceedings?trademark_id={id}
Oppositions and cancellations against the mark

Get API key View docs

GET /v1/trademarks/{id}

ID=tm_019d1ced-0da0-76f9-b6d3-c2b43224adcc
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1ced-0da0-76f9-b6d3-c2b43224adcc",
  "object": "trademark",
  "mark_text": "DURADEX",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "75663390",
  "filing_date": "1999-03-22",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "SYENSQO SPECIALTY POLYMERS USA, LLC",
      "entity_id": "ent_019eb6f7-cf0e-7653-9112-5384561cf8b5"
    }
  ]
}