Appeal 2007-1169
Application 09/850,857
11) Lause teaches that its outer layer is preferably formed from PVC. (Id.
at col. 3, ll. 4-6).
12) Lause teaches that various additives, such as impact modifiers, may be
added to the PVC. (Id. at col. 3, ll. 11-18).
13) Lause states that suitable impact modifiers include chlorinated
polyethylene, acrylic copolymers, acrylonitrile-butadiene-styrene resins and
ethylene vinyl acetate copolymers. (Id. at col. 3, ll. 28-33).
14) Lause teaches that its impact modifiers are typically employed in
amounts ranging from 0.4 to 10 parts per hundred parts of unplasticized
PVC resin. (Id. at col. 3, ll. 24-34).
15) Lause teaches that inexpensive scrap materials may be used in the
inner facing sheet as the inner sheet is not seen when installed on a building.
(Id. at col. 3, ll. 6-10).
16) Lause teaches that scrap manufacturing materials can be comminuted
to form particles of reclaim materials that are then blended with the starting
materials for use in forming the panels. (Id. at col. 2, ll. 51-65).
3. Parker, U.S. Patent 4,350,798
17) Parker is directed to processes for photochlorinating PVC. (Parker,
Abstract).
8
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: September 9, 2013