Appeal 2007-0691
Application 10/465,423
1 0.5 weight % of a sulfur-containing anti wear/extreme pressure additive
2 diternonly-trisulfide (TSP® 27).
3 To samples of (1) the base formulation, (2) the base formulation
4 with GMO and (3) the base formulation with TSP 27) there was added Ciba
5 product Ingamet® 30, viz., 1-(di-(2-ethylhexyl)aminomethyl)-1,2,4-triazole.
6 The base formulation without Ingamet 30 (or GMO or TSO) had a
7 lead content of 75 ppm.
8 The base formulation with GMO and without Ingamet 30 had a lead
9 content of 358 ppm.
10 The base formulation with GMO and Ingamet 30 had a lead content of
11 29 ppm.
12 The base formulation with TSP and without Ingamet 30 had a lead
13 content of 117 ppm.
14 The base formulation with TSP and Ingamet 30 had a lead content of
15 45 ppm.
16 We are told that the base formulations with GMO or TSP, but without
17 Ingamet 30 are unsuitable for use [¶ 0146].
18 We are also told that the base formulations with Ingamet 30 and either
19 GMO and TSP have lead levels which are "very acceptable levels" [¶ 0146].
20
21 Claims on appeal
22 Claim 1 is representative of the composition claims on appeal.
23 Claim 1 reads [matter in brackets added]:
24 An engine oil composition which comprises:
25 (a) a base fluid,
26 (b) 1-(di-(2-ethylhexyl)aminomethyl)-1,2,4-triazole,
6
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Last modified: September 9, 2013