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For the Inventor, By the Inventor

Monterotondo, Italy

Piergiorgio Zappelli

This inventor holds 8 USPTO granted patents. Top assignees: Snamprogetti, Eniricerche S.p.a.. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Piergiorgio Zappelli. Retrieved from https://idiyas.com/inventor/piergiorgio-zappelli

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 65(Granted Patents)


Location History:

  • Monterotondo (Rome), IT (1978)
  • Monterotondo-Rome, IT (1994)
  • Monterotondo, IT (1977 - 1999)

Company Filing History:

goldMedal5 out of 336 
 
Snamprogetti
 patents
silverMedal3 out of 260 
 
Eniricerche S.p.a.
 patents

Years Active: 1977-1999

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8 patents (USPTO):Explore Patents
1. 5993768 - Mesoporous crystalline composition with a high surface area of a (1999-11-30),
2. 5290746 - Tetravalent metal diphosphonate-phosphite composition in microporous (1994-03-01),
3. 5166380 - Mesoporous crystalline solid compound of a diphosphonate/phosphite of a (1992-11-24),
4. 4336188 - Method for the preparation of macromolecularized adenine derivatives (1982-06-22),
5. 4199498 - Macromolecularized adenine derivatives (1980-04-22),
6. 4091203 - Adenine derivatives (1978-05-23),
7. 4088639 - Macromolecular adenine nucleotide derivatives (1978-05-09),
8. 4008363 - Process for the preparation of adenine derivatives made functional and (1977-02-15),

Title: The Innovative Contributions of Piergiorgio Zappelli

Introduction

Piergiorgio Zappelli is a notable inventor based in Monterotondo, Italy. He has made significant contributions to the field of materials science, particularly through his innovative patents. With a total of eight patents to his name, Zappelli has established himself as a key figure in his area of expertise.

Latest Patents

Among his latest patents, Zappelli has developed a mesoporous crystalline composition with a high surface area. This solid mesoporous crystalline composition of a pyrophosphate-phosphate of a tetravalent metal features a high surface area and a narrow distribution of mesopores. Another notable patent is a tetravalent metal diphosphonate-phosphite composition, which is defined by a specific general formula. These inventions highlight his focus on advanced materials with unique properties.

Career Highlights

Throughout his career, Zappelli has worked with prominent companies such as Snamprogetti S.p.a. and Eniricerche S.p.a. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in the industry.

Collaborations

Zappelli has collaborated with esteemed colleagues, including Luciano Re and Antonio Rossodivita. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Piergiorgio Zappelli's work exemplifies the spirit of innovation in materials science. His patents and collaborations reflect a commitment to advancing technology and improving material properties. His contributions continue to influence the field and inspire future innovations.

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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