Appeal 1997-2575
Application 08/524,661
the sealant said to have been obtained in Beer Example 3.
Those properties, include the following:
+)))))))))))))))))))))))0)))))))))))))))0))))))))),
* Property * Applicant * Beers *
/)))))))))))))))))))))))3)))))))))))))))3)))))))))1
* Shore A hardness * 30-35 * 30 *
* * * *
* Elongation * 485-622 * 530 *
* * * *
* Modulus @ 100% * 77-94 * 66 *
* * * *
* Tensile strength * 247-289 * 274 *
.)))))))))))))))))))))))2)))))))))))))))2)))))))))-
20. The examiner acknowledged applicant's argument
that the sealant of Beers Example 3 took several days to
vulcanize whereas applicant's sealants are said to have tack
free times of from 40 to 105 minutes.
21. Accepting arguendo as correct applicant's
calculations showing the use of a ratio of oxime to silanol of
1.24 in Beers Example 3, the examiner reasoned that Beers
advises those skilled in the art that ratios as high as 4.0
may be used to insure that gelation or viscosity increases do
not occur (col. 5, lines 32-36).
22. Based on the evidence, as a whole, the examiner
found that applicant had not established that the 1.3 ratio is
critical. Moreover, according to the examiner, assuming
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