Sample-preparation method to manipulate nuclear spin-relaxation times, including to facilitate ultralow temperature hyperpolarization

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United States of America Patent

PATENT NO 9606200
SERIAL NO

14161172

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Abstract

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A method of providing a material sample in a state favorable to retaining spin polarization includes cooling a material sample from a temperature above a freezing point of the material sample down to a second temperature below the freezing point of the material sample; maintaining the sample at about the second temperature for a period of about several hours; and reducing temperature of the material sample to a third temperature lower than the second temperature to provide the material sample in a state favorable to retaining spin polarization, where the steps of cooling, maintaining and reducing are performed in the absence of an adulterant material. The method of providing a sample of pyruvic acid in a state favorable to retaining spin polarization may include cooling the sample of pyruvic acid in the absence of an adulterant material from a temperature above a freezing point of the sample of pyruvic acid down to less than about 200 Kelvin to provide the sample.

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Patent Owner(s)

Patent OwnerAddress
MILLIKELVIN TECHNOLOGIES LLC35 BRAINTREE HILL OFFICE PARK SUITE 304 BRAINTREE MA 02184

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kalechofsky, Neal Stow, US 19 78
Kempf, James G Arlington, US 2 2
Rosay, Melanie Bedford, US 5 12

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