US 9,828,287 C2 (12,386th)
Binders and materials made therewith
Brian Lee Swift, Oxford, GA (US); Ronald E. Kissell, Shelbyville, IN (US); and Ruijian Xu, Indianapolis, IN (US)
Filed by Brian Lee Swift, Oxford, GA (US); Ronald E. Kissell, Shelbyville, IN (US); and Ruijian Xu, Indianapolis, IN (US)
Assigned to KNAUF INSULATION, INC., Shelbyville, IN (US)
Reexamination Request No. 90/014,896, Nov. 8, 2021.
Reexamination Certificate for Patent 9,828,287, issued Nov. 28, 2017, Appl. No. 12/524,539, Jul. 24, 2009.
Reexamination Certificate C1 9,828,287, issued May 18, 2021.
PCT Filed Jan. 25, 2007, PCT No. PCT/US2007/001892
§ 371(c)(1), (2), (4) Date Jul. 24, 2009,
PCT Pub. No. WO2008/091256, PCT Pub. Date Jul. 31, 2008.
Ex Parte Reexamination Certificate issued on Sep. 1, 2023.
Int. Cl. C03C 25/325 (2018.01); C03C 25/26 (2018.01); C08H 1/00 (2006.01)
CPC C03C 25/325 (2013.01) [C03C 25/26 (2013.01); C08H 1/00 (2013.01)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The patentability of claim 1 is confirmed.
Claims 2-17 were not reexamined.
1. A thermal or acoustical fiberglass insulation material comprising:
(a) a collection of glass fibers; and
(b) a binder disposed on the collection of glass fibers, wherein the binder comprises i) at least one reaction product of a reducing sugar reactant and an amine reactant, wherein the percent by dry weight of the reducing sugar reactant with respect to the total weight of reactants ranges from about 73% to about 96%, ii) a silicon-containing coupling agent, and iii) optionally, a corrosion inhibitor, wherein the fiberglass material comprises less than 99% by weight and more than 75% by weight glass fibers, and wherein the fiberglass material has a density of from about 0.4 lbs/ft3 to about 6 lbs/ft3.