Pier Antonio Guarda
Pier Antonio Guarda, Arese IT
Patent application number | Description | Published |
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20090008596 | HEAT TRANSFER FLUIDS - Use as heat transfer fluids in the presence of metals and/or Lewis acids of mixtures comprising: (A) hydrofluoroethers and/or hydrofluoropolyethers, liquid under the environmental conditions (25° C., 1 atm); (B) a compound having a fluoropolyether structure having end groups selected from the pyridine, amine, aryl classes; and having a number average molecular weight comprised between 400 and 10,000. | 01-08-2009 |
20090118550 | PROCESS FOR PREPARING HIGH PURITY MONOCARBOXYLIC PERFLUOROPOLYETHERS - A process for preparing monocarboxylic perfluoropolyethers of formula: A-O-(R | 05-07-2009 |
20100105584 | Fluorinated Lubricants - Fluorinated lubricants of formula: T-O[A-B] | 04-29-2010 |
20110015107 | (Per)Fluorinated addition products - The invention pertains to a process for the addition of at least one (per)fluoropolyether peroxide comprising at least one peroxidic moiety and at least one fluoropolyoxyalkene chain (chain R | 01-20-2011 |
Pier Antonio Guarda, Arese (mi) IT
Patent application number | Description | Published |
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20100069275 | Fluorinated lubricants - Polymers of formula | 03-18-2010 |
20100121106 | Method for preparing carbonylic perfluoropolyethers - A process for preparing perfluoropolyethers of formula | 05-13-2010 |
20110175016 | Method for transferring heat - A process for transferring heat from a heat source to a heat sink, comprising using as heat transfer medium a composition comprising: at least one fluorinated fluid free from functional groups (fluid (H)); at least one functional (per)fluoropolyether (functional PFPE(1)) comprising recurring units (R1), said recurring units comprising at least one ether linkage in the main chain and at least one fluorine atom (fluoropolyoxyalkylene chain), and at least one functional end group chosen between —COOH and —CONH | 07-21-2011 |
20110230631 | Polyfunctional (per)fluoropolyethers - The invention pertains to novel (per)fluoropolyethers comprising at least one (per)fluoropolyoxyalkylene chain (chain R | 09-22-2011 |
20130168049 | Method for transferring heat - A process for transferring heat comprising the following steps: | 07-04-2013 |
20130244131 | Fuel cell modules - A method for the preparation of corrugated fuel cell units from a composite laminate comprising an ion conductive membrane having first and second surface; a first electrocatalyst layer in contact with the first surface of the membrane; a second electrocatalyst layer in contact with the second surface of the membrane; a first metallic mesh in contact with said first electrocatalyst layer and a second metallic mesh in contact with said second electrocatalyst layer. | 09-19-2013 |
20130310246 | Liquid compositions of fluorinated anion exchange polymers - A liquid composition comprising: | 11-21-2013 |
Pier Antonio Guarda, Arese (milano) IT
Patent application number | Description | Published |
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20090171004 | Thermoplastic Halopolymer Composition - The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min, as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo)fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof. | 07-02-2009 |
20090203830 | Thermoplastic Fluoropolymer Composition - The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min. as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo) fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof. | 08-13-2009 |
Pier Antonio Guarda, Milano IT
Patent application number | Description | Published |
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20110136948 | LINEAR PERFLUOROPOLYETHERS HAVING AN IMPROVED THERMOOXIDATIVE STABILITY - Linear perfluoropolyethers of formula: | 06-09-2011 |