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For the Inventor, By the Inventor

Palermo, Italy

Enichimica Secondaria, S.p.a.

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USPTO Granted Patents = 8

Forward Citations = 41

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14 inventors (with patents filed for the assignee):

goldMedal Renzo Invernizzi (2 out of 33 patents)

silverMedal Carlo Neri (2 out of 62 patents)

bronzeMedal Antonio Rinaldi (2 out of 8 patents)

4.  Gian Paolo Gambaretto (2 out of 4 patents)

5.  Villiam Giroldini (2 out of 4 patents)

6.  Mario Traversoni (2 out of 2 patents)

7.  Pierino Radici (1 out of 24 patents)

8.  Guglielmo Bertolini (1 out of 13 patents)

9.  Alberto Greco (1 out of 37 patents)

10.  Emilio Perrotti (1 out of 9 patents)

11.  Ferdinando Ligorati (1 out of 17 patents)

12.  Guido Guizzi (1 out of 1 patent)

13.  Mario Clerici (1 out of 1 patent)

14.  Federico Marcato (1 out of 1 patent)


8 patents:

1. 4724093 - Solid lubricant and process for preparing it (1988-02-09),
2. 4663404 - Method for the polymerization of ethylene and for the copolymerization (1987-05-05),
3. 4564691 - Process for preparing substituted 2,3-dihydrobenzofuran (1986-01-14),
4. 4562266 - Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranol (1985-12-31),
5. 4530980 - Method of copolymerization in suspension of ethylene with straight-chain (1985-07-23),
6. 4529826 - Solid lubricant and process for preparing it (1985-07-16),
7. 4518766 - Polyoxyalkylenediol-.alpha.,.omega.-bisallyl polycarbonate useful as a (1985-05-21),
8. 4506027 - Method of preparing a supported Ziegler-catalyst for the polymerization (1985-03-19),
Company Overview
Enichimica Secondaria S.p.a. is a leading company in the production of chemical intermediates, solvents, and special chemicals. With over 40 years of experience, the company specializes in custom synthesis and toll manufacturing services for a wide range of industries including pharmaceuticals, agrochemicals, and textiles. Enichimica is known for its commitment to quality, innovation, and sustainability in every aspect of its operations.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#10 in Palermo

#1,115 in Italy

Palermo, IT
Palermo, Italy

Enichimica Secondaria, S.p.a.

Forward Citations = 41

14 inventors:

goldMedal Renzo Invernizzi (2 out of 33 patents)

silverMedal Carlo Neri (2 out of 62 patents)

bronzeMedal Antonio Rinaldi (2 out of 8 patents)

4.  Gian Paolo Gambaretto (2 out of 4 patents)

5.  Villiam Giroldini (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Enichimica Secondaria, S.p.a.. Retrieved from https://idiyas.com/company/enichimica-secondaria

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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