Stretchable thermoplastic labels for cryogenic storage containers
DCFirst Claim
1. A method for specimen identification, employing marking or printing of a label for placing on a cryogenic storage vial or other container which must withstand exposure to cryogenic storage conditions, said method comprising the steps of:
- (a) providing a sized portion of a pressure-sensitive adhesive label comprising a waterproof non-polyvinyl thermoplastic facestock material with a markable waterproof upper surface and a waterproof adhesive-coated lower surface, wherein said facestock material is capable of being stretched at room temperature at least 10% in the machine direction and at least 10% in the transverse direction without breaking, whereby said facestock and said adhesive can remain united and bonded to said container during and after said exposure to said cryogenic storage conditions;
(b) marking or printing upon said upper surface to identify said container and any material within said container, wherein said marking or printing can resist ice and moisture which condenses upon said container when it is removed from said cryogenic storage conditions; and
(c) attaching said sized portion of said label to said container;
wherein said cryogenic storage conditions comprise exposure to a temperature of about -80°
C. or lower.
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Abstract
A method for specimen identification is described, employing marking or printing of a label for placing on a cryogenic storage vial or other container which must withstand contact with the liquid and/or vapor phases of liquid nitrogen at a temperature of approximately -196° C. The marking or printing also resists the ice and moisture which condenses on the container when it is removed from the liquid nitrogen. The method includes the steps of providing a sized portion of a pressure-sensitive adhesive label having a waterproof thermoplastic facestock material with a markable and print-retaining waterproof upper surface and a waterproof adhesive-coated lower surface. The facestock material is capable of being stretched at room temperature at least 10% in the machine direction and at least 10% in the transverse direction without breaking, whereby the facestock and the adhesive can remain united, and also bonded to the container during and after contact with the liquid nitrogen.
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Citations
12 Claims
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1. A method for specimen identification, employing marking or printing of a label for placing on a cryogenic storage vial or other container which must withstand exposure to cryogenic storage conditions, said method comprising the steps of:
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(a) providing a sized portion of a pressure-sensitive adhesive label comprising a waterproof non-polyvinyl thermoplastic facestock material with a markable waterproof upper surface and a waterproof adhesive-coated lower surface, wherein said facestock material is capable of being stretched at room temperature at least 10% in the machine direction and at least 10% in the transverse direction without breaking, whereby said facestock and said adhesive can remain united and bonded to said container during and after said exposure to said cryogenic storage conditions; (b) marking or printing upon said upper surface to identify said container and any material within said container, wherein said marking or printing can resist ice and moisture which condenses upon said container when it is removed from said cryogenic storage conditions; and (c) attaching said sized portion of said label to said container; wherein said cryogenic storage conditions comprise exposure to a temperature of about -80°
C. or lower. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A kit comprising
at least one cryogenic storage container, and at least one sized portion of a pressure-sensitive adhesive label comprising a waterproof non-polyvinyl thermoplastic facestock material with a markable and print-retaining waterproof upper surface and a waterproof adhesive-coated lower surface, wherein said facestock material is capable of being stretched at room temperature at least 10% in the machine direction and at least 10% in the transverse direction without breaking, whereby said facestock and said adhesive can remain united and bonded to said container during and after contact with liquid nitrogen.
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11. A labeled cryogenic storage vial, comprising
a vial constructed of a material suitable for exposure to cryogenic storage conditions having attached thereto a sized portion of a pressure-sensitive adhesive label; -
wherein said label comprises a waterproof non-polyvinyl thermoplastic facestock material with a markable and print-retaining waterproof upper surface and a waterproof adhesive-coated lower surface, wherein said facestock material is capable of being stretched at room temperature at least 10% in the machine direction and at least 10% in the transverse direction without breaking, whereby said facestock and said adhesive can remain united and bonded to said vial during and after contact with liquid nitrogen. - View Dependent Claims (12)
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Specification