IP Library Granted Patent US 12,264,417
Granted Patent B2
US 12,264,417 · App. 17/105,046 · Granted Apr 1, 2025

Anti-bacterial fibers

Inventors: Jing Xu (Charlotte, NC); Rui Luo (Charlotte, NC); Lei Han (Charlotte, NC); Jun Li (Charlotte, NC)
Assignee: Honeywell International Inc.
D01F8/06D01D5/06D01D10/02D10B2321/0211D10B2401/13
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Quick Facts
Patent No.
US 12,264,417
App. No.
17/105,046
Granted
Apr 1, 2025
Kind
B2
Abstract

Apparatuses and associated methods of manufacturing are described that provide for an anti-bacterial fiber. The method of manufacturing includes adding a ultra-high molecular weight polyethylene structure into an extrusion device. The method of manufacturing also includes providing an anti-bacterial low-density polyethylene (LDPE) into the ultra-high molecular weight polyethylene at a predetermined temperature to create a combined filament. The method of manufacturing further includes passing the combined filament through a bath. The bath is configured for coagulating the combined filament and extracting a solvent. The method of manufacturing still further includes drying the combined filament via an oven. The method of manufacturing also includes hot-drawing the combined filament. The combined filament is heated during the hot-drawing within the oven and the combined filament generated has anti-bacterial qualities. A corresponding anti-bacterial fiber is also provided.

Claims (13)

1. An anti-bacterial fiber comprising:

an ultra-high molecular weight polyethylene structure; and

an anti-bacterial low-density polyethylene (LDPE), wherein the anti-bacterial LDPE comprises polyhexamethylene guanidine (PHMG) grafted to a LDPE structure,

wherein the ultra-high molecular weight polyethylene structure and the anti-bacterial LDPE are combined together to form the anti-bacterial fiber.

2. The anti-bacterial fiber of claim 1 , wherein the anti-bacterial LDPE is dissolved in an oil.

3. The anti-bacterial fiber of claim 2 , wherein the oil that the anti-bacterial LDPE is dissolved comprises coal oil.

4. The anti-bacterial fiber of claim 1 , wherein a weight of the anti-bacterial LDPE is approximately 1% of a total weight of the anti-bacterial fiber.

5. The anti-bacterial fiber of claim 1 , wherein the ultra-high molecular weight polyethylene structure and the anti-bacterial LDPE are combined using gel-spinning.

6. The anti-bacterial fiber of claim 1 , wherein a weight of the anti-bacterial LDPE is 0.5% to 10% of a total weight of the anti-bacterial fiber.

7. The anti-bacterial fiber of claim 1 , wherein the ultra-high molecular weight polyethylene structure is extruded through an extrusion device.

8. The anti-bacterial fiber of claim 7 , wherein the ultra-high molecular weight polyethylene structure is extruded through the extrusion device before being combined with the anti-bacterial LDPE.

9. The anti-bacterial fiber of claim 1 , wherein the ultra-high molecular weight polyethylene structure and the anti-bacterial LDPE are extruded through a moderated flow device.

10. The anti-bacterial fiber of claim 1 , wherein the anti-bacterial fiber of claim 1 is configurable into a clothing material.

Assignments (4)
SECURITY INTEREST Recorded May 23, 2025
From: PROTECTIVE INDUSTRIAL PRODUCTS, INC.; WORLDWIDE PROTECTIVE PRODUCTS, LLC; HEAROS, LLC; WEST CHESTER HOLDINGS, LLC; REFLECTIVE APPAREL FACTORY, INC.; PIP USA MANUFACTURING, INC.; HONEYWELL SAFETY PRODUCTS USA, INC.; MORNING PRIDE MANUFACTURING L.L.C.; SALISBURY ELECTRICAL SAFETY L.L.C.
To: GOLDMAN SACHS BANK USA
Reel/Frame 071342/0241 →
SECURITY INTEREST Recorded May 23, 2025
From: PROTECTIVE INDUSTRIAL PRODUCTS, INC.; WORLDWIDE PROTECTIVE PRODUCTS, LLC; HEAROS, LLC; WEST CHESTER HOLDINGS, LLC; REFLECTIVE APPAREL FACTORY, INC.; PIP USA MANUFACTURING, INC.; HONEYWELL SAFETY PRODUCTS USA, INC.; MORNING PRIDE MANUFACTURING L.L.C.; SALISBURY ELECTRICAL SAFETY L.L.C.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 071346/0679 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2025
From: HONEYWELL INTERNATIONAL INC.
To: HONEYWELL SAFETY PRODUCTS USA, INC.
Reel/Frame 070538/0643 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 10, 2020
From: XU, JING; HAN, LEI; LI, JUN; LUO, RUI
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 054602/0818 →
Priority Claims (1)
CN 201911202188.7 · Nov 29, 2019 · national
Continuity (1)
Related Publication 20210198814A1 · Jul 1, 2021
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