公开(公告)号：US20180140989A1

公开(公告)日：2018-05-24

申请号：US15876742

申请日：2018-01-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jonathan B. Arthur ,  Karl W. Bloedorn ,  Jayant Chakravarty ,  Gene B. Portelli ,  Dennis M. Glass ,  Michael A. Meis ,  Lyle L. Luppes ,  Daniel W. Hennen ,  Douglas D. Fletcher ,  Eric O. Hemberg ,  Oscar M. Hemberg

IPC: B01D46/00 ,  G01L19/08 ,  H04W4/38

CPC classification number: B01D46/0086 ,  B01D46/10 ,  B01D46/446 ,  B01D46/521 ,  G01L19/086 ,  H04W4/38

Abstract: An air filter includes filter media, a sensor, and circuitry coupled to the sensor, the circuitry configured to receive data from the sensor representative of the condition of the filter media and wirelessly transmit such data. The data may be received by a device with a display to use the information to present an indication of the filter media condition to a user.

公开(公告)号：US20170313912A1

公开(公告)日：2017-11-02

申请号：US15528791

申请日：2015-12-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ning Zhou ,  Robert S. Clough ,  Derek J. Dehn ,  Jeffrey P. Kalish ,  William W. Merrill ,  Kevin M. Lewandowski ,  Jayant Chakravarty

IPC: C09J7/02 ,  B32B7/12 ,  C08L31/04 ,  C08L67/04 ,  B32B27/30 ,  C08J5/18 ,  C09J133/26

Abstract: A composition is described comprising semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25 C; plasticizer; and optionally amorphous polylactic acid polymer. In another embodiment the composition further comprises nucleating agent. Also described are films comprising the composition as well as articles, such as a tape or sheet, comprising the film described herein and a layer of pressure sensitive adhesive disposed on the film.