% Expired Patents = 83.3

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 81

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5 inventors (with patents filed for the assignee):

Jules A Shafer (6 out of 17 patents)

Vladislav V Telyatnikov (5 out of 5 patents)

Hao Wang (4 out of 8 patents)

4. Jingliang Jiao (1 out of 1 patent)

5. Zhiwei Guo (1 out of 6 patents)

6 patents: Sort by Forward Citations

1. 10201174 - Process for reducing contaminating Michael acceptor levels in oxycodone and other compositions (2019-02-12),

2. 9617212 - Isoindolin-1-ones as macrophage migration inhibitory factor (MIF) inhibitors (2017-04-11),

3. 9403838 - Process for reducing contaminating Michael acceptor levels in oxycodone and other compositions (2016-08-02),

4. 9034893 - Process for reducing contaminating michael acceptor levels in oxycodone and other compositions (2015-05-19),

5. 7875623 - Process for reducing contaminating Michael acceptor levels in oxycodone and other compositions (2011-01-25),

6. 7230005 - Compounds and methods for lowering the abuse potential and extending the duration of action of a drug (2007-06-12),

Company Overview

Controlled Chemicals, Inc. is a leading provider of specialty chemicals and solutions for various industries. With a focus on quality and innovation, we offer a wide range of products tailored to meet the specific needs of our customers. Our team of experts are dedicated to providing exceptional service and support to ensure the success of our clients. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#6 in Colmar, PA

#1,623 in Pennsylvania

#44,981 in US

Colmar, PA, United States of America

Controlled Chemicals, Inc.

Forward Citations = 81

5 inventors:

Jules A Shafer (6 out of 17 patents)

Vladislav V Telyatnikov (5 out of 5 patents)

Hao Wang (4 out of 8 patents)

4. Jingliang Jiao (1 out of 1 patent)

5. Zhiwei Guo (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Controlled Chemicals, Inc.. Retrieved from https://idiyas.com/company/controlled-chemicals

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]

1 patent (CIPO):

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]

1 patent (EPO):

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]