Patent Interference No. 103,548
40); the Munsell system has been used by L (L’Oreal) for 30 years (paper no.
64, paragraph 41); Hoffkes uses CIELAB-System based on colorimetric
measurement – Cotteret Declaration IV shows results in Munsell or CIELAB
(paper no. 64, paragraph 42); Cotteret Declaration V, which shows improved
uptake with iodide/hydrogen peroxide system, uses CIELAB (paper no. 64,
paragraph 43).
9. What is the significance of a difference in )E from one dyed hair to another dyed
hair?
· Lagrange (paper no. 60, page 4): the difference in )E represents the difference
in uptake (see Cotteret Declaration IV; L’s Exhibit 5, p. 6).
10. Where is the supposedly unexpected result said to be obtained with the C2-C4
compounds made known in Lagrange '637?
· Lagrange: C2-C4 are not shown in Lagrange '637 but mentioned as new (col. 2,
lines 30-32) and preferred (col. 1, lines 64-68); C0 is red and C2/C4 are
blue/green and so suited for blonde hair (paper no.60, p.5).
11. What is the significance of “less selective”?
· Lagrange: if a dye is selective hair will not be uniformly colored; less selective
means more uniform color (paper no. 60, p.5).
12. What is significance of )H?
· Lagrange: )H signifies change in color or shade (paper no. 60, p.6).
13. Is the Munsell notation an industry standard for measuring color?
· Lagrange: yes (paper no. 60, p.6).
· Konrad: )E is not a standard in Germany but used in textiles and then adopted
for hair (Hoffkes Declaration 3, paper no. 65).
14. Is there a publication which explains the Munsell notation and its significance?
· Lagrange: several documents (Lagrange’s Exh. 6-12) are provided.
· Konrad: see Hoffkes Declaration 3, paper no. 65.
15. Why was a composition different from the composition used by Cotteret used to test
the Hoffkes’ dihydroxyindolines?
· Konrad: Because it was done in 1993 before the work conducted by Cotteret; the
experiments in Hoffkes Declaration 1 were not motivated by Cotteret’s work
(Hoffkes Declaration 3, paper no. 65).
16. Why are the Hoffkes results not reported in terms of in )E and )H in the same
manner that Cotteret reported his results?
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