4. G - Physics
  5. 03
  6. C

John David Hepworth

G - Physics – 03 – C

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Inventor

Country: United Kingdom

Photo reactive material

C - Chemistry – Metallurgy – 07 – D
Patent

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Photochromic articles

G - Physics – 03 – C
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Photochromic heterocyclochromenes

C - Chemistry – Metallurgy – 07 – D
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Photochromic naphtho(2,1-b)pyrans

C - Chemistry – Metallurgy – 07 – D
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Photochromic naphthopyran compounds

C - Chemistry – Metallurgy – 07 – D
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Profile ID: LFCA-PAI-P-1204902

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