Yan L Feng

US Patent:

20220183287, Jun 16, 2022

Filed:

Dec 9, 2021

Appl. No.:

17/546331

Inventors:

- Washington DC, US
AIJUN ZHANG - LAUREL MD, US
MARGARET H. MACDONALD - LAUREL MD, US
YAN FENG - BOWIE MD, US

International Classification:

A01N 37/10
A01N 37/18
A01N 25/02
A01N 33/18

Abstract:

The present disclosure provides methods for killing pests such as nematodes, oomycetes, and fungi, involving treating an object or area with an effective amount of a composition containing at least one compound of formula 1, wherein R1 is CH, CH, CH; saturated or unsaturated, straight or branched, or halogen substituted alkyl; and wherein R2 are independently H, halogen, nitrogen, oxygen, sulfur, saturated or unsaturated, straight or branched alkyl, alkenyl, alkyl halide, aldehyde, ketone, ether, ester, amine, or amide; optionally methyl benzoate, optionally a surfactant, and optionally a carrier.

US Patent:

20190216084, Jul 18, 2019

Filed:

Dec 20, 2018

Appl. No.:

16/227192

Inventors:

- Washington DC, US
Yan Feng - Bowie MD, US
Jian Chen - Greenville MS, US

International Classification:

A01N 37/10
A01N 25/02

Abstract:

Compositions for killing insects (the term “insects” as used herein includes non-insects such as ticks, mites, spiders, centipedes, scorpions, chiggers, and solifugids), said composition containing at least one compound of formula 1wherein R1 is CH, CH, CH; saturated or unsaturated, straight or branched, or halogen substituted alkyl; and wherein R2 are independently H, halogen, nitrogen, oxygen, sulfur, saturated or unsaturated, straight or branched alkyl, alkenyl, alkyl halide, aldehyde, ketone, ether, ester, amine, or amide; optionally methyl benzoate, optionally a surfactant, and optionally a carrier. Also disclosed are methods for killing insects, involving treating an object or area with an insect killing effective amount of the compositions, optionally methyl benzoate, optionally a surfactant, and optionally a carrier.

US Patent:

20190021319, Jan 24, 2019

Filed:

Sep 6, 2018

Appl. No.:

16/123496

Inventors:

- Washington DC, US
Yan Feng - Bowie MD, US

International Classification:

A01N 35/02
A01N 37/02
A01N 65/34
A01N 31/04

Abstract:

Methods of attracting , involving treating an object or area with a attracting effective amount of a composition containing acetoin and at least one compound selected from ethyl octanoate, acetic acid, ethyl acetate, phenethyl alcohol, or mixtures thereof; wherein said composition does not contain ethanol.

US Patent:

20170251664, Sep 7, 2017

Filed:

Mar 6, 2017

Appl. No.:

15/450208

Inventors:

- Washington DC, US
Yan Feng - Bowie MD, US

International Classification:

A01N 35/02
A01N 37/00
A01N 31/04
A01N 37/02

Abstract:

Methods of attracting involving treating an object or area with a attracting effective amount of a composition containing acetoin and at least one compound selected from ethyl octanoate, acetic acid, ethyl acetate, phenethyl alcohol, or mixtures thereof; wherein said composition does not contain ethanol.

US Patent:

20160095779, Apr 7, 2016

Filed:

Oct 6, 2015

Appl. No.:

14/876316

Inventors:

- Takoma Park MD, US
Taisen Zhuang - Rockville MD, US
Yan Feng - Rockville MD, US

International Classification:

A61G 12/00
B62B 3/04
B62B 3/10

Abstract:

A medical trolley cart having a main housing with an interior chamber. The main housing has front, back, first side, second side, top and bottom panels. A front door on the front of said main housing provides accessing an interior chamber, which may have a plurality of sliding shelves. A rear door on the rear of said main housing provides access to a rear portion of the interior chamber or to a second chamber within the cart. The rear door has a hinge around which the door is opened and a latch for holding the rear door in a closed position. The rear door opens to a maximum point at which the rear door forms an angle of 15-40 degrees with the main housing.