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US 2009/0020440 A1Published application
Packaged dental composition
AssigneeDENTSPLY International Inc.
InventorsPaul R. Pierson, Paul D. Hammesfahr
Life of this patent
Estimating the term…
Abstract
The invention provides a container enclosing an applicator and a dental composition including a volatile organic solvent. The container is sealed. The volatile organic solvent is effectively retained within the container, even after storage at about 43° C. for one week. Preferably the container is made of a copolymer of a cycloolefin and an open chain olefin.
Claims30
A storage stable enclosed dental composition, comprising:
- a container, an implement and a dental composition,
- said implement having an elongated arm and an applicator, said applicator being supported by said arm,
- said applicator and said dental composition being enclosed by said container, said container comprising a copolymer of a cycloolefin and an open chain olefin,
- said dental composition, comprising at least 1 percent by weight of volatile organic solvent, at least 99 percent of said solvent remaining in said dental composition in said container after storage at about 43° C. for one week.
1 more element
A stored enclosed dental product made by the process comprising:
- enclosing an applicator and a dental composition having at least one volatile component in a container, said container comprising thermoplastic polymer having a high chemical resistance and a high permeability barrier capability for water, and
- storing said dental composition in said container for at least two weeks at 37° C. and after said two weeks at least 90 percent of said volatile component remains in said dental composition in said container.
A stored enclosed dental product made by the process comprising:
- enclosing an applicator and a dental adhesive composition comprising volatile organic solvent in a container, said container comprising a thermoplastic copolymer of a cycloolefin and an open chain olefin, and effectively retaining said volatile organic solvent in said dental composition while storing said dental composition in said container for at least 1 week at about 23° C.
Dependencies are inferred from the claim text.