IP Library Granted Patent US 12,390,789
Granted Patent B2
US 12,390,789 · App. 18/114,601 · Granted Aug 19, 2025

Tubular knitted geotextiles implementing hydrophobic cellulose based threads, methods of making the same, and erosion sediment and pollution control products made from the same

Inventor: Michael A. Zock (Saxonburg, PA)
Assignee: MAZCON, A KURTZ BROS. COMPANY, LLC
B01J20/24B01D39/083B01J20/18B01J20/20B01J20/2804B01J20/2805E02D17/202B01D2239/0428B01D2239/10B01D2239/1225B01J2220/44E02D2300/0082E02D2300/0085
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,390,789
App. No.
18/114,601
Granted
Aug 19, 2025
Kind
B2
Abstract

An erosion, sediment and pollution control product comprises a geotextile which includes cellulose based threads treated to be hydrophobic and cellulose based filler within the tubular geotextile. The geotextile may be knitted and may include lyocell threads and wherein the lyocell threads are treated to be hydrophobic, and are treated with food grade mineral oil. A method of making a tubular knitted geotextile comprises the steps of: supplying cellulose based threads to a circular knitting machine and knitting a tubular substrate, treating the cellulose based threads with one of mineral oil, beeswax, paraffin, petroleum jelly, lanolin, plant-based oils, and combinations thereof, whereby the threads are rendered hydrophobic.

Claims (19)

1. A tubular geotextile including implementing hydrophobic cellulose based threads, wherein the cellulose based threads include lyocell threads and the geotextile is knitted, and wherein the lyocell threads are at least one of i) comprising a fiber length between 10 mm to 40 mm, ii) comprising single ply within the range of 3-1 to 12-1, iii) comprising double ply within the range of 6-2 to 24-2, and iv) comprising triple ply within the range of 9-3 to 36-3, and v) treated to be hydrophobic, and are treated with food grade mineral oil.

2. The geotextile according to claim 1 wherein the lyocell threads have a fiber length between 10 mm to 40 mm.

3. The geotextile according to claim 1 wherein the lyocell threads are one of i) single ply within the range of 3-1 to 12-1, ii) double ply within the range of 6-2 to 24-2, and iii) triple ply within the range of 9-3 to 36-3.

4. The geotextile according to claim 1 wherein the lyocell threads are treated to be hydrophobic, and are treated with one of mineral oil, beeswax, paraffin, petroleum jelly, lanolin, plant-based oils, and combinations thereof.

5. The geotextile according to claim 1 wherein the lyocell threads are treated to be hydrophobic, and are treated with food grade mineral oil.

6. The geotextile according to claim 5 wherein the mineral oil includes vitamin E.

7. A method of making a tubular knitted geotextile comprising the steps of:

Supplying cellulose based threads to a circular knitting machine and knitting a tubular substrate,

Treating the cellulose based threads with one of mineral oil, beeswax, paraffin, petroleum jelly, lanolin, plant-based oils, and combinations thereof, whereby the threads are rendered hydrophobic.

8. The method of making a tubular knitted geotextile according to claim 7 wherein the cellulose based threads include lyocell threads.

9. The method of making a tubular knitted geotextile according to claim 8 wherein the lyocell threads have a fiber length between 10 mm to 40 mm, and wherein the lyocell threads are one of i) single ply within the range of 3-1 to 12-1, ii) double ply within the range of 6-2 to 24-2, and iii) triple ply within the range of 9-3 to 36-3.

10. The method of making a tubular knitted geotextile according to claim 7 wherein the mineral oil includes vitamin E.

11. An erosion, sediment and pollution control product comprising:

A tubular geotextile including implementing hydrophobic cellulose based threads; and

A cellulose based filler within the tubular geotextile.

12. The erosion, sediment and pollution control product according to claim 11 wherein the tubular geotextile exhibits a fabric flow test of at least 100 gallons per minute as derived from the ASTM 4491 type C test.

13. The erosion, sediment and pollution control product according to claim 11 wherein the cellulose based threads include lyocell threads.

14. The erosion, sediment and pollution control product according to claim 13 wherein the lyocell threads have a fiber length between 10 mm to 40 mm, and wherein the lyocell threads are one of i) single ply within the range of 3-1 to 12-1, ii) double ply within the range of 6-2 to 24-2, and iii) triple ply within the range of 9-3 to 36-3.

15. The erosion, sediment and pollution control product according to claim 13 wherein the geotextile is knitted.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 8, 2025
From: ZOCK, MICHAEL A.
To: MKB COMPANY, LLC
Reel/Frame 071061/0958 →
SECURITY INTEREST Recorded Nov 25, 2024
From: MAZCON, A KURTZ BROS. COMPANY, LLC
To: BMO BANK N.A., AS AGENT
Reel/Frame 069393/0800 →
Continuity (3)
Continuation PCTUS2021047966 · Aug 27, 2021
Provisional Application 63070891 · Aug 27, 2020
Related Publication 20230277966A1 · Sep 7, 2023
References Cited (21)
US 2079779A · Tullis · 1937 [cited by applicant]
US 2201279A · Willing · 1940 [cited by applicant]
US 3957098A · Hepworth et al. · 1976 [cited by applicant]
US 4044525A · Forsgren · 1977 [cited by applicant]
US 5595458A · Grabhorn · 1997 [cited by applicant]
US 6109835A · Grabhorn · 2000 [cited by applicant]
US 7226240B2 · Tyler · 2007 [cited by applicant]
US 7303084B2 · McPhillips · 2007 [cited by applicant]
US 7422682B2 · McPhillips · 2008 [cited by applicant]
US 7449105B2 · Hastings · 2008 [cited by applicant]
US 7654292B2 · Sweningson · 2010 [cited by applicant]
US 8821076B2 · Tyler · 2014 [cited by applicant]
US 10603608B2 · Zock et al. · 2020 [cited by applicant]
US 10745881B2 · Zock et al. · 2020 [cited by applicant]
US 20090308769A1 · Mutter · 2009 [cited by applicant]
US 20150047298A1 · Szebalskie, Sr. et al. · 2015 [cited by applicant]
US 20160279541A1 · Zock et al. · 2016 [cited by applicant]
US 20180119334A1 · Netravali · 2018 [cited by examiner]
US 20190388806A1 · Zock et al. · 2019 [cited by applicant]
EP 3385428A1 · 2018 [cited by examiner]
WO 2022047167 · 2022 [cited by applicant]