Inventor
PO' RICCARDO
IT44 patents
⚠️ This page may combine multiple inventors who share the name “PO' RICCARDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENICHEM SPA
17 patentsUS5882751AMar 16, 1999
Parison for the preparation of re-usable bottles starting from modified pet
ENICHEM SPA23 citations92
US6201101B1Mar 13, 2001
Catalyst and its use for the synthesis of polyol polyethers
ENICHEM SPA17 citations79
US5728784AMar 17, 1998
Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
ENICHEM SPA9 citations73
US5334343AAug 2, 1994
Polyester compositions with a high crystallization rate
ENICHEM SPA15 citations73
US5721327AFeb 24, 1998
Process for the preparation of crystalline vinylaromatic polymers with a predominant syndiotactic structure
ENICHEM SPA9 citations72
US5644019AJul 1, 1997
High activity catalytic system for the synthesis of poly(ethylene terephthalate)
ENICHEM SPA15 citations71
US6184316B1Feb 6, 2001
Catalyst and process for the syndiotactic polymerization of vinylaromatic compounds
ENICHEM SPA11 citations69
US6066706AMay 23, 2000
Process for the preparation of crystalline vinylaromatic polymers with a predominately syndiotactic structure
ENICHEM SPA3 citations62
US5830959ANov 3, 1998
Process for the production of vinylaromatic polymers with a high degree of syndiotacticity
ENICHEM SPA5 citations62
US5601780AFeb 11, 1997
Process for the preparation of re-usable bottles starting from modified PET
ENICHEM SPA4 citations62
US5278281AJan 11, 1994
Polyesters showing a high crystallization rate and procedure for their preparation
ENICHEM SPA2 citations62
US5629391AMay 13, 1997
Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
ENICHEM SPA5 citations61
US6576730B2Jun 10, 2003
Organic initiators and their use in the polymerization of unsaturated monomers
ENICHEM SPA3 citations60
US6174973B1Jan 16, 2001
Process for the preparation of vinylaromatic polymers with a high degree of syndiotaxy
ENICHEM SPA1 citations50
US6143824ANov 7, 2000
Polymeric compositions
ENICHEM SPA1 citations50
US5889129AMar 30, 1999
Process for the preparation of acrylonitrile copolymers with at least one (di) olefin
ENICHEM SPA0 citations48
US6613825B1Sep 2, 2003
Filler reinforced compositions of syndiotactic polymers of styrene
ENICHEM SPA1 citations44
ENI SPA
12 patentsUS11807645B2Nov 7, 2023
Polymers containing indacen-4-one derivatives
ENI SPA0 citations61
US11211570B2Dec 28, 2021
Hole transporting material and photovoltaic device that uses it
ENI SPA0 citations61
US12389734B2Aug 12, 2025
Inverted polymer photovoltaic cell and method for preparation thereof
ENI SPA0 citations57
US12234320B2Feb 25, 2025
Process for preparing polycarbonate and catalytic system used
ENI SPA0 citations54
US10870655B2Dec 22, 2020
Indacen-4-one derivatives, process for their preparation and polymers containing them
ENI SPA0 citations51
US11374186B2Jun 28, 2022
Polymer photovoltaic cell with an inverted structure and process for its preparation
ENI SPA0 citations50
US9567321B2Feb 14, 2017
Aromatic monomers deriving from glycerol units, process for their preparation and use thereof for the preparation of water-soluble conjugated polymers
ENI SPA0 citations50
US12457895B2Oct 28, 2025
Semi-transparent perovskite-based photovoltaic cells and process for preparing them
ENI SPA0 citations49
US12391785B2Aug 19, 2025
Lipophylic copolymers comprising polar multi-blocks, process for the preparation thereof and use in lubricating compositions
ENI SPA0 citations44
US11939427B2Mar 26, 2024
Process for preparing polycarbonate and catalytic system used
ENI SPA0 citations42
US9328109B2May 3, 2016
Process for the preparation of benzohetero [1, 3] diazole compounds disubstituted with heteroaryl groups
ENI SPA0 citations40
US10465073B2Nov 5, 2019
Organic dye for dye-sensitized solar cell
ENI SPA0 citations38
POLIMERI EUROPA SPA
3 patentsUS7388052B2Jun 17, 2008
Process for the preparation of block copolymers
POLIMERI EUROPA SPA2 citations61
US7982052B2Jul 19, 2011
Process for the preparation of stable nitroxyl radicals
POLIMERI EUROPA SPA0 citations41
US7745478B2Jun 29, 2010
Perfected process for the preparation of stable nitroxide radicals
POLIMERI EUROPA SPA0 citations41