Appeal No. 95-3070
Application 07/907,078
The Claimed Subject Matter
The claimed subject matter is directed to a hydrogen backbone polymer holding two antioxidant
groups. According to applicants, the combination of the two antioxidant groups forms a synergistic
antioxidant composition. Claim 1 is representative of the claimed subject matter and is reproduced below:
1. A hydrogen backbone polymer holding two types of antioxidant groups which
form synergistic antioxidant composition comprising pendant functional groups containing
phenothiazine antioxidant and pendant functional groups containing aromatic amine
antioxidant.
Prior Art References
The following prior art references are relied upon by the examiner in support of the rejections of
the claims:
Kapuscinski et al. (Kapuscinski) 4,764,304 Aug. 16, 1988
Migdal et al. (Migdal) 5,075,383 Dec. 24, 1991
DeRosa et al. (DeRosa) 5,147,569 Sep. 15, 1992
The Rejections
Claims 1, 3, 5, 6 and 9 stand rejected under 35 U.S.C. § 102(e) as being anticipated by DeRosa.
Claims 1-6 and 9 stand rejected under 35 U.S.C. § 103 as being unpatentable over Migdal in view
of Kapuscinski.
Claims 1-6 and 9 stand rejected under 35 U.S.C. § 112, second paragraph, as being indefinite for
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
Last modified: November 3, 2007