Appeal No. 97-1848
Application 08/338,074
[a] said clear film-forming composition being
crosslinkable through reaction of said pendant or
terminal groups with said methylol and/or methylol ether
groups;
[b] said clear film-forming composition being
further characterized as having a calculated hydroxyl
value less than 50 based on solid weight of said clear
film-forming composition, excluding any hydroxyl
functionality associated with N-methylol groups
[c] so as to result in a crosslinked coating
which has a substantial number of urea crosslinks arising
from said reaction of pendant or terminal groups with
said methylol and/or methylol ether groups,
[d] giving said crosslinked coating a high
level of acid etch resistance.
Examiner's rejections
3. The examiner has rejected all the claims on
appeal as being unpatentable under 35 U.S.C. § 103 over
Nordstrom, U.S. Patent 3,479,328 (1969) in view of Rehfuss,5
U.S. Patent 5,300,328 (issued in 1994 based on an application
filed October 23, 1992) (Examiner's Answer, page 2).6
Nordstrom is prior art under 35 U.S.C. § 102(b).5
Prima facie Rehfuss is prior art under 35 U.S.C. § 102(e). Applicants' assignee6
in a different application prevailed in an interference against Rehfuss. Interference
103,711. Applicants were invited to file a supplemental brief addressing the prior art
status of Rehfuss (Paper 23). In a Supplemental Appeal Brief (Paper 24), applicants
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