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For the Inventor, By the Inventor

Charlotte, NC, United States of America

Dystar L.p.

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 12.5

Trademarks = 6

Forward Citations = 8

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12 inventors (with patents filed for the assignee):

goldMedal Ronald P Pedemonte (5 out of 12 patents)

silverMedal Thomas S Phillips (4 out of 12 patents)

bronzeMedal Ronald Pedemonte (2 out of 14 patents)

4.  Ralph Svenningsen (2 out of 2 patents)

5.  Lyle Burleyson (1 out of 1 patent)

6.  Van Chambers (1 out of 1 patent)

7.  Antonio Torrentera (1 out of 1 patent)

8.  Tiffany Chambers (1 out of 1 patent)

9.  Philomen Z deCroos (1 out of 2 patents)

10.  Christine Feuchtner (1 out of 1 patent)

11.  Thomas Van Chambers (1 out of 1 patent)

12.  Danette R Vines (1 out of 1 patent)


8 patents:

1. 8506654 - Disperse dye mixtures which have a high degree of light fastness and build-up (2013-08-13),
2. 8038736 - Mixtures of fiber-reactive azo dyes (2011-10-18),
3. 5973178 - Dye intermediates (1999-10-26),
4. 5932708 - Reactive azo dyes having a permanent quaternary ammonium group and a (1999-08-03),
5. 5925745 - Reactive dyes containing a permanent quaternary ammonium group (1999-07-20),
6. 5811529 - Bis-pyridone compounds (1998-09-22),
7. 5696241 - Sulfonated quinolone compound and method of preparation (1997-12-09),
8. 5693103 - Process for dyeing polyester/cotton blends (1997-12-02),
Company Overview
Dystar L.P. is a leading global provider of specialty chemicals for the textile industry. With decades of experience, Dystar offers a wide range of high-quality dyes and chemicals for various textile applications. The company focuses on innovation and sustainability, providing solutions that meet the needs of customers worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#121 in Charlotte, NC

#749 in North Carolina

#35,954 in US

Charlotte, NC (US)
Charlotte, NC, United States of America

Dystar L.p.

Forward Citations = 8

12 inventors:

goldMedal Ronald P Pedemonte (5 out of 12 patents)

silverMedal Thomas S Phillips (4 out of 12 patents)

bronzeMedal Ronald Pedemonte (2 out of 14 patents)

4.  Ralph Svenningsen (2 out of 2 patents)

5.  Lyle Burleyson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dystar L.p.. Retrieved from https://idiyas.com/company/dystar

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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