Jessica M Jackson

US Patent:

7048873, May 23, 2006

Filed:

Mar 20, 2002

Appl. No.:

10/103249

Inventors:

Boris A. Miksic - North Oaks MN, US
Alla Furman - Shoreview MN, US
Jessica Jackson - Hudson WI, US

Assignee:

Cortec Corporation - St. Paul MN

International Classification:

C09K 3/00

US Classification:

252388, 2523891, 25238961, 106 1441, 106 1442, 106 1444, 106727, 106728, 427140

Abstract:

A composition and method for repairing metal reinforced concrete structures by applying a repair coating to surfaces of such damaged structures. The coating composition is a mortar/aggregate mixture blended with fiber reinforcements and containing a quantity of selected migratory corrosion inhibitors. These inhibitors are a mixture of sodium gluconate together with an auxiliary inhibitor consisting of sodium sebacate, potassium sebacate or ammonium benzoate. The fiber reinforcements consist of polypropylene or polyethylene, and are co-extruded with a quantity of the migratory corrosion inhibitors listed above.

US Patent:

7541089, Jun 2, 2009

Filed:

Dec 10, 2002

Appl. No.:

10/316697

Inventors:

Boris A. Miksic - North Oaks MN, US
Alla Furman - Shoreview MN, US
Margarita Kharshan - Little Canada MN, US
Jessica Jackson - Hudson WI, US

Assignee:

Cortec Corporation - St. Paul MN

International Classification:

B32B 15/00
E04C 5/08

US Classification:

428379, 428375, 428378, 428389, 522231, 5222314, 252388, 2523891, 25238961, 25238962

Abstract:

A sheathed posttensioning cable assembly including an elongated metallic cable and a coaxially disposed outer sheath, with the cable assembly including a polymeric resin fiber/filament impregnated with a migratory corrosion inhibitor being inserted within the sheath and extending along the length of the cable. The polymeric resin is preferably polypropylene, polyethylene, nylon, or polyethylene terephthalate, with the corrosion inhibitor comprising a 50:50 blend of sodium benzoate and alkali metal sebacate. The inhibitor preferably comprises between 5% and 10% by weight of the impregnated fiber/filament.

US Patent:

20020195590, Dec 26, 2002

Filed:

May 21, 2001

Appl. No.:

09/861906

Inventors:

Boris Miksic - North Oaks MN, US
Alla Furman - Shoreview MN, US
Michael Hobday - Lino Lakes MN, US
Jessica Jackson - Hudson WI, US
Zvjezdana Matuzic - , US

Assignee:

Cortec Corporation

International Classification:

C09K003/00

US Classification:

252/387000

Abstract:

Method and formulation for providing multiple sources of migratory corrosion inhibitors to metallic reinforcements embedded in concrete through addition of the inhibitors to the concrete mix. First and second sources of inhibitors are provided with the first source consisting of a powdered corrosion inhibitor consisting of sodium sebacate, potassium sebacate, dicyclohexylammonium nitrite, sodium nitrite, zinc gluconate, sodium gluconate, and calcium nitrite. The second source consists of an in-situ coextruded blend of a migratory corrosion inhibitor in a resin matrix, the second source consisting of a coextruded blend which includes an alkali metal salt of a dibasic acid containing from 8 to 12 carbon atoms together with migratory corrosion inhibitors consisting of alkali metal gluconates, zinc gluconate, and cyclohexylammonium benzoate, with the alkali metal in the inhibitors being sodium, potassium, or calcium. The total amount of corrosion inhibitor in concrete is between about 16 and 24 ounces per cubic yard, with the first source being between 70% and 80% by weight of the total corrosion inhibitor.