Patents by Inventor Primo Carrozza
Primo Carrozza has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 7683202Abstract: The invention relates to novel compounds of the formula I, II; III or IV wherein the general symbols are as defined in claim 1. These compounds are useful as surface modifiers for polymers in order to improve resistance to fog formation or water and oil repellency.Type: GrantFiled: June 5, 2008Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
-
Publication number: 20080249252Abstract: The invention relates to novel compounds of the formula I, II; III or IV wherein the general symbols are as defined in claim 1. These compounds are useful as surface modifiers for polymers in order to improve resistance to fog formation or water and oil repellency.Type: ApplicationFiled: June 5, 2008Publication date: October 9, 2008Inventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
-
Patent number: 7408077Abstract: The invention relates to novel compounds of the formula I, II; III or IV wherein the general symbols are as defined in claim 1. These compounds are useful as surface modifiers for polymers in order to improve resistance to fog formation or water and oil repellency.Type: GrantFiled: February 28, 2002Date of Patent: August 5, 2008Assignee: Ciba Specialty Chemicals Corp.Inventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
-
Publication number: 20040162431Abstract: 1Type: ApplicationFiled: April 2, 2004Publication date: August 19, 2004Inventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
-
Patent number: 6538055Abstract: A compound containing a silane backbone and a group of formula (A) wherein R is hydrogen, C1-C8alkyl, —O, —OH, —CH2CN, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C6alkenyl, C7-C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4alkyl; or C1-C8acyl; is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.Type: GrantFiled: October 18, 2001Date of Patent: March 25, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Primo Carrozza, Valerio Borzatta, Giovanni Da Roit, Chryssostomos Chatgilialoglu
-
Patent number: 6005036Abstract: A composition containing an organic material subject to oxidative, thermal or actinic degradation can be stabilized by an effective amount of at least one polysilane compound of formula I ##STR1## Preferred compounds are where q is zero, p is 2 to 50, m is zero, R.sub.1 is alkyl, phenyl or benzyl, and A and B are independently hydrogen or a group --Si(E).sub.3 where E is alkyl. These compounds can also be copolymeric having a random, alternate or block distribution of individual structural units. These compounds are particularly suitable as process stabilizers.Type: GrantFiled: December 22, 1997Date of Patent: December 21, 1999Assignee: Ciba Specialty Chemical CorporationInventors: Primo Carrozza, Valerio Borzatta, Chryssostomos Chatgilialoglu
-
Patent number: 5726226Abstract: Compounds of formula (I) ##STR1## in which m+n is a number from 1 to 100 and n varies from zero to 90% of the sum of m+n; R.sub.1 and R.sub.3, which may be identical or different, are for example C.sub.1 -C.sub.18 alkyl or phenyl; R.sub.2 is C.sub.2 -C.sub.12 alkylene; G is for example a group of formula (IId) ##STR2## in which R.sub.5 and R.sub.6 are for example hydrogen; R.sub.4 is for example C.sub.1 -C.sub.18 alkyl; L.sub.1 has for example any one of the meanings given to R.sub.1 or is a group (R.sub.28).sub.3 SiO-- where R.sub.28 is C.sub.1 -C.sub.18 alkyl; and L.sub.2 is for example hydrogen, Na, K, C.sub.1 -C.sub.8 alkyl or a group (R.sub.28).sub.3 Si-- with R.sub.28 as defined above.The compounds of formula (I) are useful as light, heat and oxidation stabilizers for organic materials.Type: GrantFiled: May 22, 1997Date of Patent: March 10, 1998Assignee: Ciba Specialty Chemcials CorporationInventors: Valerio Borzatta, Primo Carrozza
-
Patent number: 5578665Abstract: The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R.sub.4 is e.g. hydrogen or methyl, X.sub.3 is e.g. --O-- or --NH-- and R.sub.5 ' is e.g. ethylene, propylene or decamethylene, R.sub.1 is e.g. methyl, methoxy, ethoxy or OH, R.sub.2 and R.sub.3 are e.g. methyl, m+n is e.g. a number from 1 to 40, n varies e.g. from zero to 50% of the sum m+n, X.sub.1 is e.g. as defined for R.sub.1 or is a group (CH.sub.3).sub.3 SiO-- and X.sub.2 is e.g. hydrogen, methyl, ethyl, a group (CH.sub.3).sub.3 Si-- or a group ##STR3## and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together also form a direct bond. The compounds of the formula (I) are effective in stabilizing an organic material against thermal, oxidative and light-induced degradation.Type: GrantFiled: March 7, 1995Date of Patent: November 26, 1996Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Valerio Borzatta
-
Patent number: 5561179Abstract: Compounds of the formula (I) ##STR1## in which m and n are numbers from 1 to 50; A is --O-- or >N--R.sub.6 where R.sub.6 is e.g. hydrogen or C.sub.1 -C.sub.18 alkyl; R.sub.1 and R.sub.4, which may be identical or different, are C.sub.1 -C.sub.18 alkyl, phenyl, C.sub.1 -C.sub.8 alkoxy, OH, ONa or OK; R.sub.2 is e.g. C.sub.2 -C.sub.12 alkylene; R.sub.3 is e.g. hydrogen or C.sub.1 -C.sub.8 alkyl; R.sub.5 is e.g. a group of the formula ##STR2## in which R.sub.9 is e.g. 2,2,6,6-tetramethyl-4-piperidyl; A' has one of the meanings of A; p is e.g. 1 and R.sub.10 is e.g. C.sub.2 -C.sub.18 alkylene; X.sub.1 has one of the meanings of R.sub.1 or is a group (R.sub.27).sub.3 SiO-- where R.sub.27 is C.sub.1 -C.sub.18 alkyl; X.sub.2 is hydrogen, Na, K, C.sub.1 -C.sub.8 alkyl or a group (R.sub.27).sub.3 Si-- with R.sub.27 as defined above and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.Type: GrantFiled: November 21, 1995Date of Patent: October 1, 1996Assignee: Ciba-Geigy CorporationInventors: Valerio Borzatta, Primo Carrozza
-
Patent number: 5514738Abstract: New stabilizers of the formula (I) ##STR1## in which m+n is a number from 1 to 100 and n varies from zero to 90% of the sum of m+n,A is --O-- or ##STR2## where R.sub.6 is e.g. hydrogen or C.sub.1 -C.sub.18 alkyl, R.sub.1 and R.sub.4 which can be identical or different are C.sub.1 -C.sub.8 alkyl, phenyl, C.sub.1 -C.sub.8 alkoxy, OH, ONa or OK,R.sub.2 is C.sub.2 -C.sub.12 alkylene or also a direct bond if A is --O-- and R.sub.1 and R.sub.4 are C.sub.1 -C.sub.8 alkyl or phenyl,R.sub.3 is C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.18 alkenyl, C.sub.5 -C.sub.12 cycloalkenyl, C.sub.7 -C.sub.12 aralkyl, a saturated or unsaturated radical of a bicyclic or tricyclic C.sub.7 -C.sub.12 hydrocarbon or C.sub.6 -C.sub.10 aryl which is unsubstituted or substituted by C.sub.1 -C.sub.8 alkyl,R.sub.5 is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl or phenyl,X.sub.1 is as defined for R.sub.1 or is a group (R.sub.7).sub.3 SiO-- with R.sub.7 being C.sub.1 -C.sub.8 alkyl,X.sub.2 is e.Type: GrantFiled: January 19, 1995Date of Patent: May 7, 1996Assignee: Ciba-Geigy CorporationInventors: Valerio Borzatta, Primo Carrozza, Ramanathan Ravichandran
-
Patent number: 5496875Abstract: The present invention relates to novel piperidine compounds of the formula (I) V5 V pV ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 are as defined in the text. The compounds of the invention can be used as fight stabilizers, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers.Type: GrantFiled: July 11, 1994Date of Patent: March 5, 1996Assignee: Ciba-Geigy CorporationInventors: Valerio Borzatta, Roberto Scrima, Primo Carrozza
-
Patent number: 5463058Abstract: Novel polymethylpiperidine compounds of general formula (I) containing silane groups and effective as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.The meanings of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and n are defined in the text.Type: GrantFiled: February 21, 1995Date of Patent: October 31, 1995Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Giovanni Da Roit
-
Patent number: 5449779Abstract: A process for preparing a compound of the formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen, R.sub.2 is e.g. C.sub.2 -C.sub.12 alkylene and R.sub.3 is e.g. C.sub.1 -C.sub.18 alkyl;which process comprises reacting, in water, in the absence of an organic solvent, a compound of the formula (II)Cl--COOR.sub.3 (II)wherein R.sub.3 is as defined above with a compound of the formula (III) ##STR2## where R.sub.1 is e.g. as defined above and R.sub.2 ' is e.g. as defined above for R.sub.2, at a temperature of from 0.degree. to 60.degree. C., 1 to 1.5 mol of the compound of the formula (II) being used per mol --NH-- group in the compound of the formula (III); and neutralizing the hydrochloric acid formed with an inorganic base.Type: GrantFiled: May 11, 1994Date of Patent: September 12, 1995Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Giovanni Da Roit, Valerio Borzatta
-
Patent number: 5418267Abstract: The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R.sub.4 is e.g. hydrogen or methyl, X.sub.3 is e.g. --O-- or --NH-- and R.sub.5' is e.g. ethylene, propylene or decamethylene, R.sub.1 is e.g. methyl, methoxy, ethoxy or OH, R.sub.2 and R.sub.3 are e.g. methyl, m+n is e.g. a number from 1 to 40, n varies e.g. from zero to 50% of the sum m+n, X.sub.1 is e.g. as defined for R.sub.1 or is a group (CH.sub.3).sub.3 SiO-- and X.sub.2 is e.g. hydrogen, methyl, ethyl, a group (CH.sub.3).sub.3 Si-- or a group ##STR3## and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together also form a direct bond. The compounds of the formula (I) are effective in stabilizing an organic material against thermal, oxidative and light-induced degradation.Type: GrantFiled: April 28, 1994Date of Patent: May 23, 1995Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Valerio Borzatta
-
Patent number: 5324834Abstract: The present invention relates to novel co-oligomers containing recurring units of the formulae (Ia) and (Ib) ##STR1## which have a number average molecular weight of e.g. from 1,000 to 5,000 and a (Ia):(Ib) ratio of e.g. 1:1, and in which R.sub.1 and R.sub.5 are e.g. N-(2,2,6,6-tetramethyl-4-piperidyl)-n-butylamino, R.sub.2 is e.g. 2,2,6,6-tetramethyl-4-piperidyl, R.sub.3 is e.g. hexamethylene, R.sub.4 is e.g. hydrogen and X is e.g. a group ##STR2## These compounds are particularly suitable for stabilizing organic materials against light, heat and oxidation.Type: GrantFiled: April 16, 1993Date of Patent: June 28, 1994Assignee: Ciba-Geigy CorporationInventors: Valerio Borzatta, Primo Carrozza
-
Patent number: 5321066Abstract: The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R.sub.4 is e.g. hydrogen or methyl, X.sub.3 is e.g. --O-- or --NH-- and R.sub.5 ' is e.g. ethylene, propylene or decamethylene, R.sub.1 is e.g. methyl, methoxy, ethoxy or OH, R.sub.2 and R.sub.3 are e.g. methyl, m+n is e.g. a number from 1 to 40, n varies e.g. from zero to 50% of the sum m+n, X.sub.1 is e.g. as defined for R.sub.1 or is a group (CH.sub.3).sub.3 SiO-- and X.sub.2 is e.g. hydrogen, methyl, ethyl, a group (CH.sub.3).sub.3 Si-- or a group ##STR3## and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together also form a direct bond. The compounds of the formula (I) are effective in stabilising an organic material against thermal, oxidative and light-induced degradation.Type: GrantFiled: February 19, 1993Date of Patent: June 14, 1994Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Valerio Borzatta
-
Patent number: 5219905Abstract: The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R.sub.4 is e.g. hydrogen or methyl, X.sub.3 is e.g. --O-- or --NH-- and R.sub.5 ' is e.g. ethylene, propylene or decamethylene, R.sub.1 is e.g. methyl, methoxy, ethoxy or OH, R.sub.2 and R.sub.3 are e.g. methyl, m+n is e.g. a number from 1 to 40, n varies e.g. from zero to 50% of the sum m+n, X.sub.1 is e.g. as defined for R.sub.1 or is a group (CH.sub.3).sub.3 SiO-- and X.sub.2 is e.g. hydrogen, methyl, ethyl, a group (CH.sub.3).sub.3 Si-- or a group ##STR3## and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together also form a direct bond. The compounds of the formula (I) are effective in stabilising an organic material against thermal, oxidative and light-induced degradation.Type: GrantFiled: December 11, 1991Date of Patent: June 15, 1993Assignee: Ciba-Geigy CorporationInventors: Primo Carrozza, Valerio Borzatta