IP Library Patent Application 11643327
Patent Application
App. No. 11/643,327

Treated substrates having improved delivery of impregnated ingredients

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 None
App. No.
11/643,327
Abstract

An article of manufacture containing polymeric microparticles, optionally loaded with an active agent, impregnated into a porous substrate is disclosed.

Claims (28)

1 . An article of manufacture comprising a porous substrate having a Frazier number of less than 210 and having polymeric microparticles of median particle size diameter greater than 1 micron impregnated in the porous substrate.

2 . The article of claim 1 having a Frazier number of about 30 to less than 210.

3 . The article of claim 2 having a Frazier number of less than 185.

4 . The article of claim 2 having a Frazier number of less than 100.

5 . The article of claim 1 wherein the porous substrate comprises a fiber, fiber blends, a cellulosic fibrous web, a woven web, a nonwoven web, a spun-lace fabric, a melt-blown fabric, an air-laid fabric, a paper fabric, a polymeric film, a polymeric foam, a perforated film, and mixtures thereof.

6 . The article of claim 1 wherein the porous substrate comprises a single sheet, pad, or applicator.

7 . The article of claim 1 wherein the porous substrate comprises a plurality of laminated sheets and/or pads.

8 . The article of claim 1 wherein the polymeric microparticles have a mean particle size diameter of greater than 1 micron to about 3000 microns.

9 . The article of claim 1 wherein the polymeric microparticles are present in an amount of about 0.5% to about 40%, by weight, of the wipe product.

10 . The article of claim 1 wherein the polymeric microparticles are highly crosslinked and are derived from methacrylate monomers, acrylate monomers, or mixtures thereof.

11 . The article of claim 1 wherein the polymeric microparticles comprise an allyl methacrylate copolymer, an ethylene glycol dimethacrylate/allyl methacrylate copolymer, a lauryl methacrylate/ethylene glycol dimethacrylate copolymer, and mixtures thereof.

12 . The article of claim 1 wherein the polymeric microparticles are selected from the group consisting of a copolymer of allyl methacrylate and ethylene glycol dimethacrylate, a copolymer of ethylene glycol dimethacrylate and lauryl methacrylate, a copolymer of methyl methacrylate and ethylene glycol dimethacrylate, a copolymer of 2-ethylhexyl acrylate, styrene, and divinylbenzene, and mixtures thereof.

13 . The article of claim 1 wherein the polymeric microparticles comprise a copolymer of allyl methacrylate and ethylene glycol dimethacrylate, a copolymer of ethylene glycol dimethacrylate and lauryl methacrylate, or a mixture thereof.

14 . The article of claim 13 wherein the polymeric microparticles comprise copolymer of ethylene glycol dimethacrylate and lauryl methacrylate.

15 . The article of claim 1 wherein the polymeric microparticles further comprise a loading of about 0.01% to about 80% of an active agent, by weight, of the loaded microparticles.

16 . The article of claim 15 wherein the active agent is present in an amount of about 1% to about 70%, by weight, of the loaded microparticles.

17 . The article of claim 16 wherein the active agent is present in an amount of about 1% to about 1% to about 50%, by weight, of the loaded microparticles.

18 . The article of claim 15 wherein the active agent comprises a compound selected from the group consisting of a pesticide, a drug, a therapeutic agent, a deodorant, a hormone, an analgesic, an antiacne agent, a pharmaceutical, a skin conditioner, a skin protectant, a skin-soothing agent, an antioxidant, an insect repellant, a counterirritant, a vitamin, a plant extract, a steroid, an antibacterial compound, an antifungal compound, an antiinflammatory compound, a topical anesthetic, an epidermal lipid replacement, an antiaging compound, a sunscreen, a skin whitener, an optical brightener, an antiperspirant, a disinfectant, a sanitizer, a dermatitis or skin disease medication, a cleanser, an alcohol, and mixtures thereof.

19 . The article of claim 18 wherein the active agent is selected from the group consisting of benzocaine, dyclonine hydrochloride, aloe vera, butamben picrate, lidocaine hydrochloride, xylocaine, providone-iodine, polymyxin b sulfate-bacitracin, zinc-neomycin sulfate-hydrocortisone, chloramphenicol, ethylbenzethonium chloride, erythromycin, lindane, benzoyl peroxide, erythromycin benzoyl peroxide, clindamycin phosphate, 5,7-dichloro-8-hydroxyquinoline, alclometasone dipropionate, betamethasone valerate, o-amino-p-toluenesulfonamide monoacetate, monobenzone, amcinonide, diflorasone diacetate, hydrocortisone, methylbenzethonium chloride, PEG-4 dilaurate, lanolin oil, petrolatum, mineral wax, butocouazole nitrate, haloprogin, clotrimazole, O-[(2-hydroxymethyl)methyl]guanine, alclometasone dipropionate, betamethasone valerate, isopropyl myristate MSD, anthralin, methoxsalen, coal tar, 2-(acetyloxy)-9-fluoro-1′,2′,3′,4′-tetrahydro-1-hydroxypregna-1,4-dieno-[16,17-b]naphthalene-3,20-dione, 21-chloro-9-fluoro-1′,2′,3′,4′-tetrahydro-11b-hydroxypregna-1,4-dieno-[16,17-b]naphthalene-3,20-dione, allantoin, salicylic acid, isopropyl myristate, ascorbic acid, retinol, zinc pyrithione, benzophenone-3, a fragrance, glycolic acid, hyalauronic acid, hydrogen peroxide, a protein, an enzyme, an astringent, a surfactant, tocopherol, butein, hydroquinone, kojic acid, jojoba oil, an alpha or beta hydroxy acid, and mixtures thereof.

20 . The article of claim 1 wherein the article is a skin lotion, a cream, a body rinse, a skin cleansing agent, a skin coloring composition, a foundation liquid, a foundation powder, a topical medicament, or a skin treatment, a hard surface cleanser, or a hard surface disinfectant.

21 . The article of claim 15 wherein the loaded microparticles further comprise a barrier layer in an amount of about 10% to about 70%, by total weight of the loaded microparticles.

22 . The article of claim 21 wherein the barrier layer comprises a compound selected from the group consisting of a poly(acid), a polyol, a salt of a C 8 -C 20 fatty acid, an alkanolamide, a water-soluble polymer, a biological polymer, a gum, a carbohydrate, a cellulose derivative, a sorbitan derivative, and mixtures thereof.

23 . The article of claim 1 wherein the article is selected from the group consisting of a wipe product, a sheet of a diaper, a bed sheet, a garment, a pillow case, an applicator, a paper towel, a cloth towel, a napkin, a carpet, a tablecloth, patient clothing, protective clothing, surgical clothing, laboratory clothing, linens, and gloves.

24 . A method of imparting a benefit to a surface comprising contacting the surface with an article of claim 1 .

25 . A method of imparting a benefit to a surface comprising contacting the surface with an article of claim 15 .

26 . The method of claim 24 wherein the surface is an animate surface.

27 . The method of claim 26 wherein the animate surface is human skin or human hair.

28 . The method of claim 24 wherein the surface is an inanimate surface.

Assignments (3)
SECURITY INTEREST Recorded May 15, 2014
From: AMCOL INTERNATIONAL CORPORATION
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 032918/0776 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 19, 2011
From: AMCOL HEALTH & BEAUTY SOLUTIONS
To: AMCOL INTERNATIONAL CORPORATION
Reel/Frame 025657/0218 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2007
From: BEIHOFFER, THOMAS W.; CURETON, KEVIN
To: AMCOL HEALTH & BEAUTY SOLUTIONS
Reel/Frame 019219/0310 →