公开(公告)号：WO2022034442A1

公开(公告)日：2022-02-17

申请号：PCT/IB2021/057160

申请日：2021-08-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： REED, John F. ,  STENDER, John B. ,  GORRELL, Matthew W. ,  WIDENBRANT, Martin J. O. ,  TROTTER, Byron E.

IPC: B01D39/14

Abstract: A multilayer filter stack is disclosed. The multilayer filter stack includes a first filter layer defining a first side and an opposed second side and a second filter layer defining a first side and an opposed second side. The second filter layer is disposed adjacent the first filter layer. A connector releasably secures the first filter layer to the multilayer filter stack and the first filter layer is adapted to be removable from the multilayer filter stack.

公开(公告)号：WO2021079269A1

公开(公告)日：2021-04-29

申请号：PCT/IB2020/059856

申请日：2020-10-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： STENDER, John B. ,  GORRELL, Matthew W. ,  MCCOOL, Christine L. ,  NORDLING, Chad E. ,  FOX, Andrew R. ,  TROTTER, Byron E. ,  LAWSON, Del R.

IPC: B01D46/00

Abstract: Filter assemblies are described. In particular, a filter securement assembly for receiving and retaining a filter media in an exhaust hood is disclosed, the filter securement assembly being releasably securable to the exhaust hood, includes a filter frame, a cover and a face forming a portion of the cover, the face defining a plurality of apertures therethrough, the apertures forming at least 50% of a face surface area.

公开(公告)号：WO2021186318A2

公开(公告)日：2021-09-23

申请号：PCT/IB2021/052123

申请日：2021-03-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GORRELL, Matthew W. ,  ODEGARD, Paul D. ,  STENDER, John B. ,  GAO, Yaohua ,  SANOCKI, Stephen M. ,  BRANDNER, John M. ,  RAITHEL, David C.

IPC: B01D45/08 ,  B01D46/00 ,  B01D46/0046

Abstract: Filtration systems are described. In particular, a filtration system for filtering airborne particles includes an accumulation layer defining an intake surface and an exhaust surface, the accumulation layer defining an acute angle with a gravitational direction. The filtration system also includes a plurality of linear conduits included in the accumulation layer, the linear conduits being disposed in parallel with one another.

公开(公告)号：WO2020194137A1

公开(公告)日：2020-10-01

申请号：PCT/IB2020/052488

申请日：2020-03-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： STOUGHTON, Hannah L. ,  SANTA CRUZ, Windy A. ,  GORRELL, Matthew W. ,  STENDER, John B. ,  KELLEY, Tommie W. ,  MCCOOL, Christine L. ,  SANOCKI, Stephen M. ,  GAO, Yaohua ,  DUNBAR, Joseph A. ,  BRANDNER, John M.

IPC: B01D39/16

Abstract: Filter assemblies are described. In particular, filter assemblies that include a filter frame, a fire resistant filter media, and a metallic layer disposed on and covering a major surface of the filter frame are described. The filter frame is rigid and includes at least one of a polymeric material, wood, or a wood pulp material. Filter assemblies described include flammable or meltable materials yet may retain structural integrity after being exposed to flame.

公开(公告)号：WO2021250551A1

公开(公告)日：2021-12-16

申请号：PCT/IB2021/054995

申请日：2021-06-07

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： REED, John F. ,  WIDENBRANT, Martin J. O. ,  GORRELL, Matthew W. ,  STENDER, John B. ,  NORDLING, Chad E. ,  TROTTER, Byron E.

IPC: F24C15/20 ,  B01D46/00 ,  B01D2265/023 ,  B01D2265/04 ,  B01D46/10

Abstract: A filtration system for filtering airborne particles is disclosed. The filtration system includes an exhaust hood defining an exhaust hood intake. A filter media is disposed proximate the exhaust hood, and the filter media defines a filter media intake side and an opposed filter media exhaust side. A securement system is adapted to releasably secure the filter media to the exhaust hood, and the securement system includes one or more securement elements.

公开(公告)号：WO2020049522A1

公开(公告)日：2020-03-12

申请号：PCT/IB2019/057538

申请日：2019-09-06

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GORRELL, Matthew W. ,  STOUGHTON, Hannah L. ,  SANTA CRUZ, Windy A. ,  MCCOOL, Christine L. ,  KELLEY, Tommie W. ,  STENDER, John B. ,  GRIFFITH, Blake R. ,  BRANDNER, John M. ,  GAO, Yaohua ,  SANOCKI, Stephen M. ,  DUNBAR, Joseph A.

IPC: B01D39/16 ,  B01D46/00 ,  F24C15/20

Abstract: Various embodiments disclosed relate to a fire-resistant filter and methods of making and using the same. A filter includes a fibrous web or sheet comprising fire-resistant fibers, the fire-resistant fibers comprising oxidized polyacrylonitrile (OPAN), flame-retardant (FR) rayon, or a combination thereof.

公开(公告)号：WO2021205281A1

公开(公告)日：2021-10-14

申请号：PCT/IB2021/052580

申请日：2021-03-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： BRANDNER, John M. ,  GORRELL, Matthew W. ,  SANOCKI, Stephen M. ,  GAO, Yaohua ,  STENDER, John B. ,  NORDLING, Chad E. ,  RAITHEL, David C. ,  KELLEY, Tommie W.

IPC: F24C15/20 ,  B01D45/08

Abstract: Baffles are described. In particular, a baffle includes an intake side and an exhaust side, the exhaust side defining an opposed side of the baffle from the intake side and a first row having at least two columns forming a channel therebetween and a second row having at least two columns forming a second channel therebetween. The baffle also includes at least one column of the first row having a first layer and a second layer, the first layer including a fire-resistant material.

公开(公告)号：WO2017187320A1

公开(公告)日：2017-11-02

申请号：PCT/IB2017/052347

申请日：2017-04-24

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GORRELL, Matthew W. ,  RAITHEL, David C. ,  CARLSON, Lauren K. ,  GARDNER, James P., Jr.

IPC: A47L13/16

Abstract: In one example, a scouring article comprises: a backing layer having opposed first and second major surfaces; and a visually discernable functional material provided on at least one of the first and second major surfaces; wherein the functional material comprises a resin, and further wherein the functional material is configured to communicate information to a user of the scouring article regarding an intended end-use application of the scouring article. In another example, an abrasive article comprises: a pad having a scrubbing surface; and a plurality of shaped abrasive structures disposed on the scrubbing surface; wherein the plurality of shaped abrasive structures are arranged to provide an indication regarding a characteristic of the abrasive structures.

Abstract translation: 在一个实例中，精练制品包括：背衬层，其具有相对的第一主表面和第二主表面; 以及提供在所述第一和第二主表面中的至少一个上的视觉可辨别的功能材料; 其中所述功能材料包括树脂，并且进一步其中所述功能材料被配置为关于所述擦洗用品的预期最终用途应用向所述擦煮用品的使用者传递信息。 在另一个例子中，磨料制品包括：具有擦洗表面的衬垫; 以及设置在擦洗表面上的多个成形磨料结构; 其中所述多个成形研磨结构被布置成提供关于所述研磨结构的特征的指示。

公开(公告)号：WO2021124037A1

公开(公告)日：2021-06-24

申请号：PCT/IB2020/061789

申请日：2020-12-10

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GORRELL, Matthew W. ,  KELLEY, Tommie W. ,  SANTA CRUZ, Windy A. ,  RAITHEL, David C. ,  STENDER, John B. ,  SANOCKI, Stephen M. ,  GAO, Yaohua ,  BRANDNER, John M. ,  DUNBAR, Joseph A.

IPC: B01D39/16 ,  B01D2239/0216 ,  B01D2239/0457 ,  B01D2239/0636 ,  B01D2239/065 ,  B01D2239/0659 ,  B01D2239/10 ,  B01D2239/1233 ,  B01D2239/125 ,  B01D39/1623

Abstract: Filter media are described. In particular, a filter media includes an intake side, an exhaust side, and a plurality of fibers distributed throughout the filter media. The fibers have a plurality of deniers, and fibers disposed proximate the intake side have a first denier and fibers disposed proximate the exhaust side have a second denier. The first denier is larger than the second denier.

公开(公告)号：WO2021079289A1

公开(公告)日：2021-04-29

申请号：PCT/IB2020/059901

申请日：2020-10-21

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GORRELL, Matthew W. ,  STENDER, John B. ,  KELLEY, Tommie W. ,  SMITH, Andrew C. ,  SANTA CRUZ, Windy A. ,  REED, John F. ,  CARLSON, Jacob D. ,  REIN, Marcus W. ,  COX, Jessalyn A. ,  BOUGHTON, Zachary W. ,  STERN, Michael J.

IPC: B01D46/00

Abstract: Filter assemblies are described. In particular, a filter securement assembly for receiving and retaining a filter media in an exhaust hood includes a main panel defining a first end and an opposed second end, a first retainment surface adjacent the first end of the main panel, a first retainment lip adjacent the first retainment surface, a second retainment surface adjacent the second end of the main panel and a second retainment lip adjacent the second retainment surface.