US 11,478,773 C1 (13,132nd)
Evaporative emission control articles including activated carbon
Wolfgang Ruettinger, Iselin, NJ (US); Laif R. Alden, Iselin, NJ (US); Steven Wesley Chin, Iselin, NJ (US); Akash Abraham, Brooklyn, NY (US); and Chen Chen, Shanghai (CN)
Filed by BASF Corporation, Florham Park, NJ (US)
Assigned to BASF CORPORATION, Florham Park, NJ (US)
Reexamination Request No. 90/019,844, Feb. 10, 2025.
Reexamination Certificate for Patent 11,478,773, issued Oct. 25, 2022, Appl. No. 17/260,738, Jan. 15, 2021.
PCT Filed Jul. 12, 2019, PCT No. PCT/CN2019/095842
§ 371(c)(1), (2) Date Jan. 15, 2021,
PCT Pub. No. WO2020/015591, PCT Pub. Date Jan. 23, 2020.
Ex Parte Reexamination Certificate issued on Jan. 8, 2026.
Int. Cl. B01D 53/02 (2006.01); B01D 53/04 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); F02M 25/08 (2006.01)
CPC B01J 20/205 (2013.01) [B01D 53/0407 (2013.01); B01J 20/20 (2013.01); B01J 20/28026 (2013.01); B01J 20/2803 (2013.01); B01J 20/28045 (2013.01); B01J 20/28066 (2013.01); B01J 20/28071 (2013.01); B01J 20/28073 (2013.01); B01J 20/2808 (2013.01); B01J 20/28083 (2013.01); B01J 20/28092 (2013.01); B01J 20/3042 (2013.01); B01J 20/324 (2013.01); F02M 25/0854 (2013.01); F02M 25/0872 (2013.01); B01D 2253/102 (2013.01); B01D 2253/25 (2013.01); B01D 2257/7022 (2013.01); B01D 2259/4516 (2013.01); B01J 2220/46 (2013.01); B01J 2220/4812 (2013.01)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
Claims 2 and 9 are cancelled.
Claims 1 and 8 are determined to be patentable as amended.
Claims 3-7 and 10-14, dependent on an amended claim, are determined to be patentable.
New claim 15 is added and determined to be patentable.
1. A coated substrate adapted for hydrocarbon adsorption comprising:
a substrate having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m2/g, a micropore volume greater than about 0.2 ml/g and less than about 0.35 ml/g, and at least one of:
i. a butane affinity of greater than 60% at 5% butane;
ii. a butane affinity of greater than 35% at 0.5% butane; or
iii. a mesopore volume greater than about 0.5 ml/g,
[ wherein the particulate carbon has an n-butane adsorption capacity of at least about 40 ml/g at about 3 mm Hg n-butane pressure] .
8. A bleed emission scrubber, the scrubber comprising:
an adsorbent volume comprising a coated substrate adapted for hydrocarbon adsorption, the coated substrate comprising a substrate having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m2/gram, a micropore volume greater than about 0.2 ml/g and less than about 0.35 ml/g, and at least one of:
i. a butane affinity of greater than 60% at 5% butane;
[ ii. ] a butane affinity of greater than 35% at 0.5% butane; or
[ iii. ] a mesopore volume greater than about 0.5 ml/g [ ,
wherein the particulate carbon has an n-butane adsorption capacity of at least about 40 ml/g at about 3 mm Hg n-butane pressure] .
[ 15. A bleed emission scrubber, the scrubber comprising:
an adsorbent volume comprising a coated substrate adapted for hydrocarbon adsorption, the coated substrate comprising a substrate having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m2/gram, a micropore volume greater than about 0.2 ml/g and less than about 0.35 ml/g, and at least one of:
i. a butane affinity of greater than 60% at 5% butane;
ii. a butane affinity of greater than 35% at 0.5% butane; or
iii. a mesopore volume greater than about 0.5 ml/g.
wherein the adsorbent volume has a g-total BWC of from about 0.2 grams to about 1.6 grams.]