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For the Inventor, By the Inventor

Cologne, Germany

Werner Dietrich

This inventor holds 17 USPTO granted patents, primarily in Polyurethane Foams. Top assignee: Bayer Aktiengesellschaft. Active years: 1976-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Werner Dietrich. Retrieved from https://idiyas.com/inventor/werner-dietrich

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 186(Granted Patents)


Location History:

  • Cologne, DE (1976 - 1981)
  • Koeln-Dellbrueck, DE (1981)
  • Cologne-Dellbrueck, DE (1981)
  • Odenthal, DE (1989 - 2001)

Company Filing History:

goldMedal17 out of 12,269 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-2001

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Areas of Expertise:
Closed-Cell Foams
Thermal Conductivity
Isocyanate-Based
Foam Production
Laminates
Polyurethane Resins
Catalysts
Mineral Fiber Mats
Synthetic Plastics
Polycarbodiimide Foams
Polyisocyanates
Urea Diisocyanate
17 patents (USPTO):Explore Patents
1. 6306920 - Method for producing closed-cell rigid polyurethane foams having low thermal conductivity (2001-10-23),
2. 5428077 - Process for producing isocyanate-based foams (1995-06-27),
3. 4804425 - Process and laminator for the continuous production of laminates of foam (1989-02-14),
4. 4264291 - Equipment for the continuous production of foam boards (1981-04-28),
5. 4260266 - Mix head for the production of a foamable reaction mixture from fluid (1981-04-07),
6. 4255105 - Equipment for the continuous production of foam boards (1981-03-10),
7. 4246365 - Process for the production of plastics containing isocyanurate groups (1981-01-20),
8. 4234694 - Addition compounds which contain phosphorus and their use as catalysts (1980-11-18),
9. 4190459 - Process for the production of mineral fiber mats (1980-02-26),
10. 4160749 - Process for dissociating polyurethane resins (1979-07-10),
11. 4147710 - Compounds containing phosphorous and a method for making (1979-04-03),
12. 4092275 - Polyurethane resins prepared from active hydrogen containing material (1978-05-30),
13. 3988268 - Polyurethane foam plastics which contain ionic groups (1976-10-26),
14. 3969262 - Process for the production of synthetic plastics comprising urethane (1976-07-13),
15. 3959329 - Polyisocyanates containing sulphonic acid or sulphonate groups (1976-05-25),

Title: Werner Dietrich: Innovator in Polyurethane Foam Technology

Introduction

Werner Dietrich is a prominent inventor based in Cologne, Germany, known for his significant contributions to the field of polyurethane foam technology. With a total of 17 patents to his name, Dietrich has made remarkable advancements that have impacted various industries.

Latest Patents

One of his latest patents is a method for producing closed-cell rigid polyurethane foams with low thermal conductivity. This innovative process involves reacting a polyol component with a polyisocyanate that has an NCO content ranging from about 20 to about 48% by weight. The polyol component includes a mixture of sucrose or sorbitol initiated polyethers, aromatic amine initiated polyethers, aliphatic amine initiated polyethers, and linear polyethers, along with other compounds and additives. Another notable patent is the process for producing isocyanate-based foams, which involves the reaction of polyisocyanates with compounds that have at least two hydrogen atoms active towards isocyanates, in the presence of hydrocarbons that serve as blowing agents.

Career Highlights

Werner Dietrich has built a successful career at Bayer Aktiengesellschaft, where he has been instrumental in developing innovative foam technologies. His work has not only advanced the science of polyurethane foams but has also contributed to the commercial success of various applications in the market.

Collaborations

Throughout his career, Dietrich has collaborated with notable colleagues, including Kuno Wagner and Dieter Dieterich. These partnerships have fostered a creative environment that has led to groundbreaking innovations in the field.

Conclusion

Werner Dietrich's contributions to polyurethane foam technology exemplify the spirit of innovation and collaboration in the scientific community. His patents continue to influence the industry and pave the way for future advancements.

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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