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US 2022/0031033 A1Published application
Nucleated Polypropylene Resin for Primary Lens Package
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsOleg Grischenko, Billy Boddiford
Life of this patent
Estimating the term…
Abstract
A primary package for holding contact lenses is disclosed. It is primarily made from a nucleated polypropylene resin. It has been determined that the nucleated polypropylene resin should be formulated with a polypropylene base resin with greater than 99% polypropylene homopolymer and a primary and secondary stabilizer, which also contains a catalyst acid scavenger; at least one nucleator/clarifier; and at least one catalyst acid scavenger.
Claims13
A package comprising:
- a nucleated polypropylene resin formed from a polypropylene base resin consisting of a polypropylene homopolymer and a primary and a secondary stabilizer;
- at least one nucleator;
- and
- at least one catalyst acid scavenger.
1 more element
A package comprising:
- a nucleated polypropylene resin formed from a polypropylene base resin at greater than 99 weight %, said resin consisting of a polypropylene homopolymer and a primary and a secondary stabilizer;
- at least one nucleator at less than 0.25 weight %;
- and
- at least one catalyst acid scavenger at less than 0.1 weight %.
1 more element
A package for holding contact lenses comprising:
- a nucleated polypropylene resin formed from a polypropylene base resin consisting of a polypropylene homopolymer and a primary and a secondary stabilizer;
- at least one nucleator;
- and
- at least one catalyst acid scavenger.
1 more element
Dependencies are inferred from the claim text.