Jul. 21, 2020  (45)  Date of Patent:  (IO)  Patent No.:  US 10,717,042 B2  c12)  United States Patent  Laporte et al.  (54)  METHOD FOR  NOx  UPTAKE USING A  PARTICULATE EARTH ALKALI  CARBONATE-COMPRISING MATERIAL  AND/OR PARTICULATE EARTH ALKALI  PHOSPHATE-COMPRISING MATERIAL  US010717042B2  (58)  Field of Classification Search  CPC .. BOID 53/56; BOID 53/565; BOID 53/9409;  BOID 53/9413; BOID 2251/606; BOID  2251/61; BOID 2257/402; BOID  2257/404; BOU 20/043; BOU 20/048;  BOU 2208/00805  See application file for complete search history.  (71)  Applicant:  Omya International AG,  Oftringen  (CH)  (72)  Inventors:  Christophe Laporte,  Romont (CH);  Daniel Frey,  Zofingen (CH);  Kai Max  Hettmann,  Grenzach-Wyhlen (DE);  Samuel Rentsch,  Spiegel bei Bern  (CH);  Detlef Gysau,  Full (CH);  Patrick  A. C. Gane,  Rothrist (CH)  (73)  Assignee:  Omya International AG,  Oftringen  (CH)  ( * )  Notice:  Subject to any disclaimer, the term ofthis  patent is extended or adjusted under 35  U.S.C. 154(b) by 32 days.  (21)  Appl. No.:  16/071,389  (22)  PCT Filed:  Mar. 6, 2017  (86)  PCT No.:  PCT /EP2017 /055178  § 371 (c)(l),  (2) Date:  Jul. 19, 2018  (87)  PCT Pub. No.:  WO2017/153329  PCT Pub. Date:  Sep. 14, 2017  (60)  Provisional application No. 62/307,603, filed on Mar.  14, 2016.  (51)  Int. Cl.  (52)  U.S. Cl.  CPC ..........  BOID 53/565  (2013.01);  BOJJ 201043  (2013.01);  BOJJ 201048  (2013.01);  BOJJ  20/28059  (2013.01);  BOJJ 20/28061  (2013.01);  BOJJ 2013071  (2013.01);  C02F  11281  (2013.01);  BOID 2251/404  (2013.01);  BOID 2251/604  (2013.01);  BOID 2251/606  (2013.01);  BOID 2251/61  (2013.01);  BOID  2253/306  (2013.01);  BOID 2257/402  (2013.01);  BOID 2257/404  (2013.01);  C02F  2101/163  (2013.01);  C02F 2101/166  (2013.01)  (56)  References Cited  U.S. PATENT DOCUMENTS  (Continued)  FOREIGN PATENT DOCUMENTS  OTHER PUBLICATIONS  (57)  ABSTRACT  20 Claims, 1 Drawing Sheet  Related U.S. Application Data  (65)  Prior Publication Data  US 2020/0016531 Al  Jan. 16, 2020  BOID 53/56  (2006.01)  BOJJ 20104  (2006.01)  BOJJ 20128  (2006.01)  BOJJ 20130  (2006.01)  C02F 1128  (2006.01)  C02F 101/16  (2006.01)  The present invention relates to a process for taking up one  or more nitrogen oxide(s) from a gaseous and/or aerosol or  liquid medium using at least one particulate earth alkali  carbonate-comprising material and/or at least one particulate  earth alkali phosphate-comprising material as well as an  adsorbing material comprising said at least one particulate  earth alkali carbonate-comprising material and/or at least  one particulate earth alkali phosphate-comprising material.  Primary Examiner  - Timothy C Vanoy  (74)  Attorney, Agent, or Firm  - Heslin Rothenberg  Farley & Mesiti, P.C.  (Continued)  The International Search Report dated Oct. 5, 2017 from PCT/  EP2017/055178.  (Continued)  CN  CN  EP  EP  EP  EP  EP  JP  JP  JP  JP  JP  JP  101721908  101626830  1 559 753 A2  1 645 322 Al  2 264 108 Al  2 264 109 Al  1982759  H07-196314 A  H07-223813  A  Hll-290694 A  3-113903 B2  2001-232206  A  2003-063852  A  6/2010  10/2012  8/2005  4/2006  12/2010  12/2010  9/2011  8/1995  8/1995  10/1999  12/2000  8/2001  3/2003  3,754,074 A  *  8/1973 Grantham .  BOlD 53/34  423/210.5  3,880,618  A  *  4/1975 McCrea .  BOlD 53/04  95/114  4,859,438  A  *  8/1989 Lindbauer.  BOlD 53/34  423/239.1  4,921,886  A  *  5/1990 Ewan.  BOlD 53/508  423/235  4,996,036  A  *  2/1991  Fisher .  BOlD 53/56  423/235  5,348,716 A  *  9/1994 De Soete .  BOlD 53/56  423/239.1  5,489,420  A  *  2/1996 Diep  BOlD 53/56  423/235  5,846,286  A  *  12/1998 Tseng .  BOlD 53/56  71/58  6,136,186 A  10/2000 Gonzalez-Martin et al. 