Interference 103,685
earlier than February 16, 1990, and no later than February 22,
1990, Riggins tried to dye Nomex fabric (12.23 grams) with a
dyebath comprising Acid blue #62 (2% of the weight of the fabric)
and N,N-dimethylbenzamide (4 grams) for one and one-half hours at
265OF. (RX 22, p. 28). The evidence prima facie shows that no
earlier than February 20, 1990, and no later than March 22, 1990,
Riggins tried to dye Nomex fabric (10.83 grams) with a dyebath
comprising Acid blue #62 (2% of the weight of the fabric)
and N,N-diethylbenzamide (4 grams) for one and one-half hours at
265OF. (RX 22, p. 29). The evidence prima facie shows that, no
later than February 26, 1990, Riggins recorded that N,N-diethyl
benzamide was “effective in promoting the dyeing of Nomex”
(RX 22, p. 31), and that, no later than February 27, 1990,
Riggins reported that N,N-diethylbenzamide had “dye promoting
activity” in a Memorandum from H. Riggins to Ben Triplett
relating to “Dye Promoters for Nomex” (RX 26). However, Holsten
argues that Riggins did not appreciate the concept of using “a
dye diffusion promoting agent comprising an aromatic amide having
7 to 14 carbon atoms capable of increasing the swelling value at
least 1.5%” for relatively effective dyeing of aramid fiber or
fabric until after the date Holsten is said to have conceived and
reduced to practice the subject matter Holsten claims.
-39-
Page: Previous 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Next
Last modified: November 3, 2007