4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Polymers from only ethylenic monomers or processes of...

Chah M. Shen

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Contact lenses of high gas permeability

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent

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Contact lenses of high gas permeability and method

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
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Gas-permeable lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Gas-permeable lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Hydrophilic polymers and contact lenses of high water content

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
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Profile ID: LFUS-PAI-P-817483

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