Mouthguard formed of propylene/alpha-olefin polymer elastomer
DC
First Claim
1. A self-customizable mouthguard comprising one or more channels and an upstanding wall extending from said one or more channels having a u-shape formed of a semi-crystalline propylene ethylene copolymer comprising about 5% to about 25% by weight of ethylene-derived units and about 55% to about 95% by weight of propylene, wherein said semi-crystalline propylene ethylene copolymer is formed by copolymerizing propylene and ethylene using a chiral metallocene catalyst system, said semi-crystalline propylene-ethylene copolymer having crystallinity from about 2% to about 65% from polypropylene sequences, wherein said mouthguard is adapted to securely fit to teeth and wherein said mouthguard is configured to be molded by heating to a temperature of about 60°
- C. to about 100°
C. and said mouthguard remains elastic/extensible at a workable temperature below 60°
C. to conform said mouthguard to the contour of the mouth and teeth.
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Accused Products
Abstract
A self-customizable dental appliance adapted to lie within the mouth of a person with a connecting arch or a u-shaped style base with upstanding labial and lingual walls. The appliance is formed of a semi-crystalline polypropylene alpha-olefin copolymer containing stereoregular polymerized units of identical tacticity. In one embodiment, the appliance is formed of elastomeric propylene-ethylene copolymers.
42 Citations
1 Claim
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1. A self-customizable mouthguard comprising one or more channels and an upstanding wall extending from said one or more channels having a u-shape formed of a semi-crystalline propylene ethylene copolymer comprising about 5% to about 25% by weight of ethylene-derived units and about 55% to about 95% by weight of propylene, wherein said semi-crystalline propylene ethylene copolymer is formed by copolymerizing propylene and ethylene using a chiral metallocene catalyst system, said semi-crystalline propylene-ethylene copolymer having crystallinity from about 2% to about 65% from polypropylene sequences, wherein said mouthguard is adapted to securely fit to teeth and wherein said mouthguard is configured to be molded by heating to a temperature of about 60°
- C. to about 100°
C. and said mouthguard remains elastic/extensible at a workable temperature below 60°
C. to conform said mouthguard to the contour of the mouth and teeth.
- C. to about 100°
Specification
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- Resources
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Current AssigneeDental Choice Holdings, LLC
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Original AssigneeCustmbite LLC (Renaissance Health Service Corp.)
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InventorsRabeony, Manese, Elkin, Monroe
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Primary Examiner(s)Bianco; Patricia M
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Assistant Examiner(s)NGUYEN, CAMTU TRAN
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Application NumberUS11/128,883Publication NumberTime in Patent Office2,209 DaysField of Search128/861, 128/859, 602/902, 206/63.5, 206/368, 523/120US Class Current128/861CPC Class CodesA61C 9/0006 Impression traysA61F 2005/563 Anti-bruxismeA63B 2071/088 Mouth inserted protectors w...A63B 71/085 Mouth or teeth protectors A...C08L 23/10 Homopolymers or copolymers ...C08L 23/142 at least partially crystall...C08L 2666/06 Homopolymers or copolymers ...
