Patents by Inventor Paolo Piccardi
Paolo Piccardi 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).
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Patent number: 6136836Abstract: A composition and method for controlling warm-blooded animal parasites comprising 1-[3-chloro-4-(1,1,2-trifluoro-2-trifluoromethoxyethoxy)phenyl]-3-(2,6,dif luorobenzoyl)urea.Type: GrantFiled: July 30, 1999Date of Patent: October 24, 2000Assignee: Isagro S.p.A.Inventors: Franco Bettarini, Paolo Piccardi
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Patent number: 4980376Abstract: Compounds are disclosed having formula: ##STR1## wherein: R is Cl, F;R.sub.1 is H, Cl, F;R.sub.2 and R.sub.5, equal to or differing from each other, are H, halogen, alkyl C.sub.1 -C.sub.4 ;R.sub.3 and R.sub.4, equal to or differing from each other, are: H, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, haloalkenyl, alkenyloxy, haloalkenyloxy or alkynyl;Z is O, S or a group NR.sub.7, wherein R.sub.7 is alkyl C.sub.1 -C.sub.3 or H;Y is alkylene C.sub.2 -C.sub.4, haloethylene or haloethenyl;R.sub.6 is alkyl C.sub.1 -C.sub.4, haloalkyl C.sub.1 -C.sub.4, alkenyl C.sub.3 -C.sub.4, haloalkenyl C.sub.3 -C.sub.4, cycloalkyl C.sub.3 -C.sub.4, halocycloalkyl C.sub.3 -C.sub.4 or cycloalkenyl C.sub.3 -C.sub.4.The compounds having formula (I) are endowed with an elevated insecticide activity, which shows itself chiefly against insect larvae and eggs.Type: GrantFiled: June 19, 1990Date of Patent: December 25, 1990Assignee: Istituto Guido Donegani S.p.A.Inventors: Pietro Massardo, Paolo Piccardi, Franco Rama, Vincenzo Caprioli
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Patent number: 4968847Abstract: There is disclosed a process for preparing polyhalogenated carbinols having formula: ##STR1## by reacting a compound having formula: ##STR2## with a system consisting of a compound having formula: ##STR3## and of a divalent metal or of a metal salt, in protic dipolar solvents, in which formulaeR=H, an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkadienyl, phenyl, naphthyl, anthracyl group, a heterocyclic radical, optionally substituted;R'=H, a haloalkyl, --CN, --COOR" group with R" equal to H or to an alkyl group;X.sup.1 =Cl, Br; .dbd.X.sup.2 =F, Cl, Br;X.sup.3 =Cl, Br, CF.sub.3, CCl.sub.3 ; Y=Br or Cl when X.sup.1, X.sup.2 and X.sup.3 are different from Br.Type: GrantFiled: March 19, 1990Date of Patent: November 6, 1990Assignee: Istituto Guido Donegani S.p.A.Inventors: Pietro Massardo, Franco Bettarini, Paolo Piccardi, Franco Rama
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Patent number: 4929772Abstract: There is disclosed a process for preparing polyhalogenated carbinols having formula: ##STR1## by reacting a compound having formula: ##STR2## with a system consisting of a compound having formula: ##STR3## and of a divalent metal or of a metal salt, in protic dipolar solvents, in which formulaeR=H, an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkadienyl, phenyl, naphthyl, anthracyl group, a heterocyclic radical, optionally substituted;R'=H, a haloalkyl, --CN, --COOR" group with R" equal to H or to an alkyl group;X.sup.1 =Cl, Br; =X.sub.2 =F, Cl, Br;X.sup.3 =Cl, Br, CF.sub.3, CCl.sub.3 ; Y=Br or Cl when X.sup.1, X.sup.2 and X.sup.3 are different from Br.Type: GrantFiled: March 9, 1989Date of Patent: May 29, 1990Assignee: Istituto Guido DoneganiInventors: Pietro Massardo, Franco Bettarini, Paolo Piccardi, Franco Rama
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Patent number: 4762793Abstract: There is described the preparation of S(+) alpha-aryl-alkanoic acids by means of the reaction of a racemic ester(R,S) of the formula: ##STR1## wherein: R is a group selected from the group consisting of --C.tbd.CH, a --CH.dbd.CH.sub.2, --CN; --COCH.sub.3, --COO alkyl C.sub.1 C.sub.4 and --CH.sub.2 --O alkyl C.sub.1 -C4 group, Ar is a group selected from the group consisting of an aryl group and an aryl substituted or condensed with other groups, in particular a group selected from the group consisting of groups of the formula: ##STR2## wherein: R' is selected from the group consisting of C.sub.1 -C.sub.8 linear or branch of chain alkyl, C.sub.1 -C.sub.4 alkenyl, alkoxy, phenyl, phenoxy, tenoyl and heterocyclic;R" is selected from the group consisting of hydrogen or halogen;R"' is a C.sub.1 -C.sub.4 alkyl,with an esterase, produced by microorganisms capable of selectively hydrolizing the S(+) form of said racemic ester and by successively separating the S(+) acid from the unreacted ester.Type: GrantFiled: March 18, 1986Date of Patent: August 9, 1988Assignee: Montedison S.p.A.Inventors: Pietro Cesti, Paolo Piccardi
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Patent number: 4748284Abstract: A process for preparing 1,1-dihalo-1,2,2,2-tetrafluoroethanes by isomerization of 1,2-dihalotetrafluoroethanes at their reflux temperature, by using, as a catalyst, the reaction product prepared "in situ" from an anhydrous aluminum halide with at least equimolecular amounts of the isomer, 1,1-dihalo-1,2,2,2-tetrafluoroethane in a medium consisting of 1,2-dihalotetrafluoroethane. The products find application as intermediates for pyrethroid insecticides.Type: GrantFiled: December 19, 1986Date of Patent: May 31, 1988Assignee: Montedison S.p.A.Inventors: Franco Gozzo, Nicola Troiani, Paolo Piccardi
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Patent number: 4632926Abstract: There are described compounds of formula: ##STR1## in which R=alkyl, alkoxy, alkylthio, halogen; n=0, 1 or 2; R.sup.1 =H, alkyl; R.sup.2 =H, alkyl, cycloalkyl, phenyl optionally substituted.The compounds of formula I and the salts thereof are active against the coccidiosis of the domestic and breeding animals, in particular of poultry.Type: GrantFiled: July 6, 1983Date of Patent: December 30, 1986Assignee: VETEM S.p.A.Inventors: Silvio Giarda, Pietro Cesti, Giovanni Confalonieri, Paolo Piccardi
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Patent number: 4607035Abstract: There are described 1-phenoxy(phenylthio)-4-aryl-alkynyloxy-benzene derivatives endowed with a juvenile hormonic activity towards insects and with an acaricide activity. The use of these compounds for controlling insects infestations in both the agrarian and civil field and the processes for preparing said compounds are described too.Type: GrantFiled: July 22, 1983Date of Patent: August 19, 1986Assignee: Montedison S.p.A.Inventors: Franco Bettarini, Pietro Massardo, Paolo Piccardi, Franca Reggiori, Angelo Longoni
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Patent number: 4599358Abstract: There are described 3-phenoxy-benzyl or .alpha.-cyano-3-phenoxy-benzyl esters of 2,2-dimethyl-cyclopropanecarboxylic acids substituted in position 3 by a dienic polyhalogenated chain, as well as their use as insecticides and acaricides. Moreover, there are also described the intermediates for their preparation and processes for their preparation.Type: GrantFiled: November 24, 1980Date of Patent: July 8, 1986Assignee: Montedison, S.p.A.Inventors: Enrico Bosone, Giuseppe Caprara, Francesco Corda, Franco Gozzo, Augusto Menconi, Paolo Piccardi, Vincenzo Caprioli
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Patent number: 4594352Abstract: There are described compounds of formula: ##STR1## in which one of R and R.sup.1 is F or Cl and the other is H, F or Cl;X is a 1,4-phenylene or pyridyl bound in positions 2 and 5, optionally substituted;Y is a phenyl, 2- or 3-pyridyl, optionally substituted.The compounds of formula I are endowed with a high insecticide activity which is mainly directed against insect larvae and eggs.Type: GrantFiled: April 19, 1984Date of Patent: June 10, 1986Assignee: Montedison S.p.A.Inventors: Pietro Massardo, Franco Bettarini, Gabriele Giovarruscio, Paolo Piccardi, Franca Reggiori, Vincenzo Caprioli, Angelo Longoni
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Patent number: 4594451Abstract: There are described compounds of formula: ##STR1## in which X (or X')=H, F, Cl and X' (or X)=F, Cl; ##STR2## with R.sup.2 =H, Cl, Br, F an optionally halogen-substituted alkyl C.sub.1 -C.sub.3 ;R.sup.3 =halogen, an optionally halogen-substituted alkyl C.sub.1 -C.sub.3 ;R.sup.4 =H or R.sup.3 ;R.sup.1 =H, halogen, an optionally halogen-substituted alkyl C.sub.1 -C.sub.3, OCH.sub.3, SCH.sub.3, OCF.sub.3 ;n=an integer from 1 to 4.The compounds of formula I are endowed with a high insecticide activity which is mainly exerted against insects' larvae and eggs.Type: GrantFiled: April 19, 1984Date of Patent: June 10, 1986Assignee: Montedison S.p.A.Inventors: Pietro Massardo, Franco Bettarini, Gabriele Giovarruscio, Paolo Piccardi, Franca Reggiori, Vincenzo Caprioli, Angelo Longoni
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Patent number: 4540711Abstract: There is disclosed a method for fighting infestations of acari or noxious insects including ants, more particularly "fire-ants", by treating the insect, its habitat, or its food with a hydroquinone diether having at least one acetylenic and halogen-substituted chain and selected from 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxybenzene of formula ##STR1## and 1,4-di-(5-chloro-4-pentinyloxy)-benzene of formula ##STR2## The disclosure comprises a method for fighting ants using the diether of formula (I) either as such or as an active ingredient of suitable formulations or poisoned baits.Type: GrantFiled: April 5, 1983Date of Patent: September 10, 1985Assignee: Montedison S.p.A.Inventors: Franco Bettarini, Pietro Massardo, Paolo Piccardi, Angelo Longoni
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Patent number: 4482570Abstract: Pyrethroid type insecticides described having the formula: ##STR1## wherein A=CF.sub.3 -C.dbd.C-, ##STR2## (X=H, F, Cl, Br: Y=Cl, Br) ##STR3## (group ##STR4## is bound to the hererocyclic ring in position 2 or 3) ##STR5## --CH.sub.2 --C.tbd.C--CH.sub.2 --R.sup.9 ; wherein:R.sup.1 =H, CN, C.tbd.CHR.sup.2 =3-phenoxy, 3-benzyl, 4-allyl, 4-propargyl.R.sup.3 =H, alkyl bound to the heterocyclic ring in position 3 or 2;R.sup.4 =(in position 4 or 5 of the heterocyclic ring)=benzyl, benzoyl, phenoxy, allyl, propargyl;Y=O, SR.sup.5 and R.sup.6 =alkyl C.sub.1 -C.sub.3, or R.sup.5 and R.sup.6 together form an orthocondensed aromatic, heteroaromatic or aliphatic, saturated or unsaturated ring;R.sup.7 and R.sup.8 (equal to or different from each other)=H, halogen, CH.sub.3 ; R.sup.9 =phenyl, vinyl, vinyl substituted, phenoxy,Compounds of general formula I are endowed with a high insecticide and acaricide activity.Type: GrantFiled: September 30, 1982Date of Patent: November 13, 1984Assignee: Montedison, S.p.A.Inventors: Paolo Piccardi, Francesco Corda, Franco Gozzo, Augusto Menconi, Angelo Logoni
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Patent number: 4460606Abstract: A method for fighting infestations by ants is disclosed. It consists in using 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxy-benzene either as such or as an active ingredient of compositions or poisoned baits.The present invention concerns a method for fighting infestations by ants and, more particularly, it relates to a fighting method that consists in using, for the purpose, the compound 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxy-benzene either as such or in the form of suitable formulations.Type: GrantFiled: May 17, 1982Date of Patent: July 17, 1984Assignee: Montedison S.p.A.Inventors: Franco Bettarini, Pietro Massardo, Paolo Piccardi, Angelo Longoni
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Patent number: 4388323Abstract: There are described hydroquinone-diethers endowed with a high acaricide activity, the processes for their preparation and their use as acaricides.Type: GrantFiled: March 17, 1981Date of Patent: June 14, 1983Assignee: Montedison S.p.A.Inventors: Pietro Massardo, Angelo Longoni, Paolo Piccardi
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Patent number: 4379163Abstract: Pyrethroid type insecticides are described having the formula: ##STR1## wherein: R.sup.1 =H, CN, C.tbd.CHR.sup.2 =3-phenoxy, 3-benzyl, 4-allyl, 4-propargyl.R.sup.3 =H, alkyl bound to the heterocyclic ring in position 3 or 2;R.sup.4 =(in position 4 or 5 of the heterocyclic ring)=benzyl, benzoyl, phenoxy, allyl, propargyl;Y=O, SR.sup.5 and R.sup.6 =alkyl C.sub.1 -C.sub.3, or R.sup.5 and R.sup.6 together form an orthocondensed aromatic, heteroaromatic or aliphatic, saturated or unsaturated ring;R.sup.7 and R.sup.8 (equal to or different from each other)=H, halogen, CH.sub.3 ;R.sup.9 =phenyl, vinyl, vinyl substituted, phenoxy.Compounds of general formula I are endowed with a high insecticide and acaricide activity.Type: GrantFiled: June 15, 1981Date of Patent: April 5, 1983Assignee: Montedison, S.p.A.Inventors: Paolo Piccardi, Francesco Corda, Franco Gozzo, Augusto Menconi, Angelo Longoni
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Patent number: 4356329Abstract: There are disclosed two hydroquinone diethers having at least one acetylenic and halogen-substituted chain and exhibiting juvenile hormone and acaricide activity and which show unexpected activity on Tenebrio molitor and Tribolium confusum.The two hydroquinone ethers are obtained by:(a) reacting one mole of hydroquinone alkali metal salt with two moles of 1,5-dichloropent-4-yne, or equimolar quantities of an alkali metal salt of 4-phenoxy-phenol with 1,5-dichlorpent-4-yne; or(b) by reacting the hydroquinone alkali metal salt or the 4-phenoxy-phenol alkali metal salt with the indicated quantities of 1,1,1,5-tetrachloropentane and then dehydrohalogenating the condensation product with alkali metal carbonates or hydroxides in dimethylsulphoxide.Type: GrantFiled: October 20, 1980Date of Patent: October 26, 1982Assignee: Montedison S.p.A.Inventors: Franco Bettarini, Pietro Massardo, Paolo Piccardi, Angelo Longoni
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Patent number: 4334104Abstract: A hydroquinone diether having two 5,5-dichloro-4-pentenyl side chains and possessing improved acaricidal and juvenile hormonal activity is disclosed.Type: GrantFiled: October 20, 1980Date of Patent: June 8, 1982Assignee: Montedison S.p.A.Inventors: Franco Bettarini, Pietro Massardo, Paolo Piccardi, Angelo Longoni
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Patent number: 4328237Abstract: Pyrethroid type insecticides are described having the formula: ##STR1## Compounds of general formula I are endowed with a high insecticide and acaricide activity.Type: GrantFiled: February 26, 1979Date of Patent: May 4, 1982Assignee: Montedison S.p.A.Inventors: Paolo Piccardi, Francesco Corda, Franco Gozzo, Augusto Menconi, Angelo Longoni
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Patent number: 4317905Abstract: A process is disclosed for preparing aliphatic compounds containing two conjugated double bonds cis-cis or cis-trans, characterized in that a compound of the general formula ##STR1## (in which R is H, alkyl from C.sub.1 to C.sub.10, or OY in which Y is a protective group selected from the class consisting of tetrahydropyranyl and 1-ethoxyethyl; X is an ester function selected from the class consisting of the acetates) is reacted with an alkyl-magnesium halide of the general formula:Z--Mg--R.sup.1 (II)(in which Z is chlorine, bromine or iodine, and R.sup.1 is a C.sub.1 -C.sub.10 alkyl group, or a group (CH.sub.2).sub.n OY in which Y has the same meaning as in formula (I), and n is a number from 3 to 10) in the presence of Li.sub.2 CuCl.sub.4, CuCl, CuBr, or CuI at temperatures ranging from about -30.degree. to +10.degree. C. in the presence of ethyl ether or tetrahydrofuran as solvent, to obtain an aliphatic compound of the general formula:R--CH.sub.2 --C.tbd.C--CH.dbd.CH--CH.sub.2 R.sup.Type: GrantFiled: May 21, 1979Date of Patent: March 2, 1982Assignee: Montedison S.p.A.Inventors: Pietro Massardo, Giorgio Cassani, Paolo Piccardi