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Patents Grants
last 30 patents
Information
Patent Grant
Method for preparing high-purity crystalline lactulose
Patent number
5,003,061
Issue date
Mar 26, 1991
SIRAC Srl.
Renato Carobbi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing high-purity lactulose syrup and the syrup obt...
Patent number
4,978,397
Issue date
Dec 18, 1990
SIRAC Srl.
Renato Carobbi
C13 - SUGAR INDUSTRY
Information
Patent Grant
Process for preparing lactulose from lactose by epimerization with...
Patent number
4,957,564
Issue date
Sep 18, 1990
SIRAC Srl
Renato Carobbi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Boron resins of high selective absorbent power
Patent number
4,937,295
Issue date
Jun 26, 1990
SIRAC Srl
Renato Carobbi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stable boron resins of high selective absorbent power
Patent number
4,937,294
Issue date
Jun 26, 1990
SIRAC Srl
Renato Carobbi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lactulose purification process
Patent number
4,565,582
Issue date
Jan 21, 1986
Sirac S.p.A.
Andrea Filippini
C13 - SUGAR INDUSTRY
Information
Patent Grant
Process for purifying lactulose syrup
Patent number
4,555,271
Issue date
Nov 26, 1985
Sirac S.p.A.
Renato Carobbi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stable boron resins of high selective absorbent power
Patent number
4,542,161
Issue date
Sep 17, 1985
Sirac S.p.A.
Andrea Filippini
C13 - SUGAR INDUSTRY
Information
Patent Grant
Process for preparing alpha-L-aspartyl-L-phenylalanine alkyl esters
Patent number
4,539,147
Issue date
Sep 3, 1985
Sirac S.p.A.
Andrea Filippini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing lactulose from lactose, in the form of a syru...
Patent number
4,536,221
Issue date
Aug 20, 1985
Sirac S.p.A.
Renato Carobbi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stable boron resins of high selective absorbent power
Patent number
4,506,036
Issue date
Mar 19, 1985
Sirac S.p.A.
Andrea Filippini
C13 - SUGAR INDUSTRY
Patents Applications
last 30 patents
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last 30 trademarks