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For the Inventor, By the Inventor

Irving, TX, United States of America

Celanese Acetate Limited


USPTO Granted Patents = 60

% Expired Patents = 40.0



Trademarks = 1

Forward Citations = 465

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73 inventors (with patents filed for the assignee):

goldMedal Raymond M Robertson (15 out of 16 patents)

silverMedal Lawton E Kizer (11 out of 13 patents)

bronzeMedal William S Sanderson (10 out of 12 patents)

4.  Thomas S Garrett (10 out of 10 patents)

5.  Todd Ames (8 out of 8 patents)

6.  Ricky Lee Kenley (8 out of 8 patents)

7.  Bobby R Lomax (7 out of 7 patents)

8.  Zeming Gou (6 out of 10 patents)

9.  William T Wygand (6 out of 6 patents)

10.  Michael Combs (5 out of 18 patents)

11.  Christopher M Bundren (4 out of 10 patents)

12.  Gary B Ellison (4 out of 4 patents)

13.  Donald T Stilwell (4 out of 4 patents)

14.  Edward J Powers (4 out of 13 patents)

15.  William West (4 out of 4 patents)


Core Competencies:
Anti-fog Compositions
Smoke Filters
Cellulose Esters
Degradable Filters
Nonwoven Materials
Porous Masses
Filaments
Absorbent Composites
Tobacco Smoke
Organic Porous Masses
Tow Bands
Thermal Bonding

60 patents:

1. 10513596 - Anti-fog compositions and processes for making same (2019-12-24),
2. 10513592 - Anti-fog compositions and processes for making same (2019-12-24),
3. 9788573 - Smoke filters for reducing components in a smoke stream (2017-10-17),
4. 9386803 - Tobacco smoke filter for smoking device with porous mass of active particulate (2016-07-12),
5. 9380807 - Modified filter rod feeding trays for porous masses (2016-07-05),
6. 9359104 - Configurable shipping container (2016-06-07),
7. 9297099 - Nonwoven from bulked filament tow (2016-03-29),
8. 9215894 - Apparatuses, systems, and associated methods for forming organic porous masses for flavored smoke filters (2015-12-22),
9. 9212290 - Substituted cellulose acetates and uses thereof (2015-12-15),
10. 9211972 - Configurable shipping container (2015-12-15),
11. 9179708 - Apparatuses, systems, and associated methods for forming porous masses for smoke filter (2015-11-10),
12. 9167830 - Substituted cellulose acetates and uses thereof (2015-10-27),
13. 9155335 - Degradable cigarette filter (2015-10-13),
14. 9149071 - Smoke filters for reducing components in a smoke stream (2015-10-06),
15. 9149069 - Apparatuses, systems, and associated methods for forming porous masses for smoke filter (2015-10-06),
Celanese Acetate Limited is a subsidiary of Celanese Corporation, a global technology and specialty materials company. We specialize in the production and distribution of cellulose acetate tow, a key ingredient used in various applications including filtration products, textiles, and cigarette filters. With a commitment to innovation and sustainability, we strive to provide high-quality products and solutions to our customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Celanese Acetate Limited
60 Patents

#8 in Irving, TX

#328 in Texas

#5,987 in US

#12,065 in the World

Irving, TX (US)
Irving, TX, United States of America

Celanese Acetate Limited

Forward Citations = 465

73 inventors:

goldMedal Raymond M Robertson (15 out of 16 patents)

silverMedal Lawton E Kizer (11 out of 13 patents)

bronzeMedal William S Sanderson (10 out of 12 patents)

4.  Thomas S Garrett (10 out of 10 patents)

5.  Todd Ames (8 out of 8 patents)

Please report any incorrect information to [email protected]
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