Fuming B Li

US Patent:

7345137, Mar 18, 2008

Filed:

Oct 18, 2004

Appl. No.:

10/967582

Inventors:

Timothy J. Hebrink - Oakdale MN, US
Martin E. Denker - Vadnais Heights MN, US
Bert T. Chien - St. Paul MN, US
Matthew B. Johnson - St. Paul MN, US
Richard J. Thompson - Lino Lakes MN, US
Kristopher J. Derks - Maplewood MN, US
William W. Merrill - White Bear Lake MN, US
Fuming B. Li - Woodbury MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

C08G 63/00
C08G 63/02
B32B 27/08
B32B 27/36

US Classification:

528272, 428212, 428480, 359586

Abstract:

Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.

US Patent:

7468204, Dec 23, 2008

Filed:

Feb 25, 2008

Appl. No.:

12/036840

Inventors:

Timothy J. Hebrink - Oakdale MN, US
Martin E. Denker - Vadnais Heights MN, US
Bert T. Chien - St. Paul MN, US
Matthew B. Johnson - St. Paul MN, US
Richard J. Thompson - Lino Lakes MN, US
Kristopher J. Derks - Maplewood MN, US
William W. Merrill - White Bear Lake MN, US
Fuming B. Li - Woodbury MN, US

International Classification:

B32B 7/02
B32B 27/08
B32B 27/36
C08L 67/02
C08L 69/00

US Classification:

428212, 428412, 428480, 525437, 525444, 525448, 528302, 528305, 528307, 528308, 5283086

Abstract:

Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.

US Patent:

7765698, Aug 3, 2010

Filed:

Jun 2, 2008

Appl. No.:

12/131770

Inventors:

John M. Sebastian - Oakdale MN, US
Marvin E. Jones - Grant MN, US
Fuming B. Li - Woodbury MN, US
Shih-Hung Chou - Maplewood MN, US
Nathan E. Schultz - Lakeland MN, US
Justin L. Keough - Vadnais Heights MN, US
Rahul R. Shah - Woodbury MN, US
Daniel A. Japuntich - St. Paul MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B23P 15/16
B01D 21/00
B01L 9/00

US Classification:

2989662, 29825, 210490, 21050021, 210506, 422101, 4273935, 4274071, 428354, 428357, 4352865, 4352886, 442 63, 442164, 442357, 442365, 521 27, 521 30, 528422

Abstract:

A method of making an electret article, from a polymeric article that has a zeta potential of greater than or less than −7. 5 millivolts. The article is charged by contacting it with an aqueous liquid that has a pH and conductivity as follows: (i) if the article has a zeta potential of −7. 5 mV or less, then the contacting liquid has pH greater than 7 and a conductivity of 5 to 9,000 microSiemens per centimeter; and (ii) if the article has a zeta potential of greater than −7. 5 mV, then the contacting liquid has a pH of 7 or less and a conductivity of 5 to 5,500 microSiemens per centimeter. An electret article made in this manner can provide improved electret performance, particularly in electret filtration articles.

US Patent:

8529671, Sep 10, 2013

Filed:

Nov 25, 2008

Appl. No.:

12/746112

Inventors:

John M. Sebastian - Oakdale MN, US
Fuming B. Li - Woodbury MN, US
Marvin E. Jones - Grant MN, US
Luke T. Dressel - Somerset WI, US
Daniel A. Japuntich - St. Paul MN, US

Assignee:

3M Innovative Properties Comany - St. Paul MN

International Classification:

B01D 46/00

US Classification:

96 66, 442110, 442115, 55524, 55528, 55DIG 5, 55DIG 39

Abstract:

Electret webs are presented which include a blend of a thermoplastic resin and a charge additive. The charge additives include ester-substituted and amide-substituted trianilino triazine materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.

US Patent:

8613795, Dec 24, 2013

Filed:

May 4, 2009

Appl. No.:

12/995709

Inventors:

Fuming B. Li - Woodbury MN, US
Feng Bai - Woodbury MN, US
John M. Sebastian - Oakdale MN, US
Marvin E. Jones - Grant MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B03C 3/28
B29C 59/14

US Classification:

96 15, 55528, 55DIG 5, 55DIG 39, 95 59, 96 66, 264423, 264455, 264466, 264469, 264DIG 48, 442111, 442115, 442351, 442400

Abstract:

Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include N-substituted amino carbocyclic aromatic materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.

US Patent:

7261418, Aug 28, 2007

Filed:

Nov 12, 2004

Appl. No.:

10/987528

Inventors:

Jiaying Ma - Maplewood MN, US
David J. Aastuen - Shoreview MN, US
Charles L. Bruzzone - Woodbury MN, US
William W. Merrill - White Bear Lake MN, US
Timothy J. Hebrink - Oakdale MN, US
Harry E. Johnson - Hudson WI, US
Fuming B. Li - Woodbury MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

G03B 21/14

US Classification:

353 20, 353 34, 349 9

Abstract:

A projection engine uses a first polarizing beam splitter (PBS) that substantially reflects light incident along a first input direction in a first polarization state and substantially transmits light incident in the first input direction in a second polarization state orthogonal to the first polarization state. The first PBS demonstrates an angularly dependent reflectivity for light in the second polarization state that is asymmetric about the first input direction. At least two imager devices are positioned to receive light reflected and transmitted by the first PBS respectively. The imager devices modulate the incident light with an image. The image light from the imagers is combined and projected.

US Patent:

20040256731, Dec 23, 2004

Filed:

Jun 19, 2003

Appl. No.:

10/465155

Inventors:

Guoping Mao - Woodbury MN, US
Shichun Qu - Eau Claire WI, US
Fuming Li - Woodbury MN, US
Robert Clough - St. Paul MN, US
Nelson O'Bryan - Woodbury MN, US

International Classification:

H01L023/48

US Classification:

257/773000

Abstract:

A dielectric composite material containing a toughened benzocyclobutene resin and at least about 50% by weight of an inorganic filler. Also electronic packages having at least one conductive layer and at least one layer of the dielectric composite material. The dielectric composite material can have a dielectric constant less than about 3.5, and a dielectric loss of less than about 0.004.

US Patent:

20070004844, Jan 4, 2007

Filed:

Jun 30, 2005

Appl. No.:

11/170932

Inventors:

Robert Clough - St. Paul MN, US
Fuming Li - Woodbury MN, US
Mary Swierczek - Oakdale MN, US
Bradley Givot - St. Paul MN, US

International Classification:

C08K 3/34

US Classification:

524493000, 524565000

Abstract:

A composition comprising a mixture of about 9 to about 20 wt % poly(acrylonitrile-co-butadiene) and about 80 to about 91 wt % cyanate ester of the total weight of the poly(acrylonitrile-co-butadiene) and cyanate ester. Also, an article comprising a cured mixture having a continuous phase comprising poly(acrylonitrile-co-butadiene) and a discrete or co-continuous phase comprising cyanate ester.