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For the Inventor, By the Inventor

Lockport, IL, United States of America

Calvin K Johnson

This inventor holds 16 USPTO granted patents, primarily in Foundry Materials. Top assignees: Acme Resin Corporation, Borden Chemical, Inc., Borden, Inc.. Active years: 1980-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Calvin K Johnson. Retrieved from https://idiyas.com/inventor/calvin-k-johnson

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 10

Forward Citations = 491(Granted Patents)


Location History:

  • Palos Heights, IL (US) (1980)
  • Lockport, IL (US) (1984 - 2003)

Company Filing History:

goldMedal7 out of 40 
 
Acme Resin Corporation
 patents
silverMedal5 out of 70 
 
Borden Chemical, Inc.
 patents
bronzeMedal3 out of 226 
 
Borden, Inc.
 patents
4. 1 out of 5 
 
Ha-International LLC
 patents

Years Active: 1980-2003

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Areas of Expertise:
Foundry Binder
Resin Coating
Molding Processes
Thermoset Film
Phenolic Resin
Core Removal
Benzoxazine Polymer
Storage Stable Resins
Reclaimed Sand
Casting Techniques
Flowability Improvement
Shell Core Composition
16 patents (USPTO):Explore Patents
1. 6509392 - Foundry binder and process (2003-01-21),
2. 6299677 - Binders for cores and molds (2001-10-09),
3. 5952440 - Water soluble and storage stable resole-melamine resin (1999-09-14),
4. 5916933 - Bisphenol-containing resin coating articles and methods of using same (1999-06-29),
5. 5910521 - Benzoxazine polymer composition (1999-06-08),
6. 5639806 - Bisphenol-containing resin coating articles and methods of using same (1997-06-17),
7. 5354788 - Dialdehyde modified phenolic foundry sand core binder resins, processes (1994-10-11),
8. 5234973 - Compositions for foundry molding processes utilizing reclaimed sand (1993-08-10),
9. 5126089 - Method for easy removal of sand cores from castings (1992-06-30),
10. 5082876 - Compositions for foundry molding processes utilizing reclaimed sand (1992-01-21),
11. 5077323 - Method to improve flowability of alkaline phenolic resin coated sand (1991-12-31),
12. 5043412 - Ambient temperature curing, high carbon contributing compositions (1991-08-27),
13. 4996249 - Method to improve flowability of resin coated sand (1991-02-26),
14. 4713294 - Foundry shell core and mold composition (1987-12-15),
15. 4439489 - Particles covered with a cured infusible thermoset film and process for (1984-03-27),

Title: The Innovative Contributions of Calvin K Johnson

Introduction

Calvin K Johnson is a notable inventor based in Lockport, IL (US), recognized for his significant contributions to the field of foundry technology. With a total of 16 patents to his name, Johnson has developed innovative solutions that enhance the performance and efficiency of foundry processes.

Latest Patents

Among his latest patents, Johnson has introduced a no-bake foundry binder and process that improves the hot strength of foundry shapes. This binder comprises a polyether polyol component, a polyisocyanate component, and a catalyst that promotes the trimerization of polyisocyanates to polyisocyanurates. Additionally, he has developed no-bake inorganic binder compositions that bind particulate material effectively. These compositions consist of silicate and phosphate components, along with curing catalysts that enhance their performance. The resulting binders exhibit superior mechanical properties, making them advantageous for foundry applications.

Career Highlights

Throughout his career, Johnson has worked with prominent companies such as Acme Resin Corporation and Borden Chemical, Inc. His experience in these organizations has allowed him to refine his expertise in binder technology and foundry processes.

Collaborations

Johnson has collaborated with notable individuals in the industry, including David R Armbruster and Richard C Cooke, Jr. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Calvin K Johnson's work in the field of foundry technology showcases his dedication to innovation and improvement. His patents reflect a deep understanding of materials and processes that enhance the foundry industry.

Profile summary based on public USPTO records.
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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