US RE50,452 E1
Cat litter product
Monika Kuras, Chicago, IL (US); Daniel S. Jaffee, Chicago, IL (US); Robert Soral, Chicago, IL (US); and George Robert Goss, Chicago, IL (US)
Assigned to OIL-DRI CORPORATION OF AMERICA, Chicago, IL (US)
Filed by OIL-DRI CORPORATION OF AMERICA, Chicago, IL (US)
Filed on Nov. 11, 2021, as Appl. No. 17/524,503.
Application 15/162,296 is a division of application No. 13/524,021, filed on Jun. 15, 2012, granted, now 9,345,227, issued on May 24, 2016.
Application 17/524,503 is a continuation of application No. 15/845,373, filed on Dec. 18, 2017, granted, now 10,188,076, issued on Jan. 29, 2019.
Application 15/845,373 is a continuation of application No. 15/606,805, filed on May 26, 2017, granted, now 9,894,877, issued on Feb. 20, 2018.
Application 15/606,805 is a continuation of application No. 15/492,566, filed on Apr. 20, 2017, abandoned.
Application 15/492,566 is a continuation of application No. 15/260,660, filed on Sep. 9, 2016, abandoned.
Application 15/260,660 is a continuation of application No. 15/162,296, filed on May 23, 2016, granted, now 9,439,393, issued on Sep. 13, 2016.
Application 17/524,503 is a reissue of application No. 16/222,267, filed on Dec. 17, 2018, granted, now 10,470,433, issued on Nov. 12, 2019.
Claims priority of provisional application 61/497,178, filed on Jun. 15, 2011.
Int. Cl. A01K 1/015 (2006.01)
CPC A01K 1/0154 (2013.01) [A01K 1/0155 (2013.01)] 25 Claims
 
[ 20. A litter comprising a 40% to 86% by weight of sodium bentonite and 14% to 60% by weight of a granular filler material, wherein:
the granular filler material comprises one or more cellulose containing materials, and
the sodium bentonite comprises between 39% and 69% of an external surface area of the litter.]