IP Library Granted Patent US 8,119,584
Granted Patent B2
US 8,119,584 · App. 12/839,128 · Granted Feb 21, 2012

Universal aqueous cleaning solution for electric shavers

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Quick Facts
Patent No.
US 8,119,584
App. No.
12/839,128
Granted
Feb 21, 2012
Kind
B2
Abstract

The present disclosure generally relates to a method for cleaning a shaving device using a cleaning solution and preparation of the cleaning solution. More particularly, the present disclosure relates to a method of cleaning a shaving device using an environmentally friendly cleaning solution.

Claims (11)

1. A method for cleaning a shaving device, the device comprising a cutting surface for removing hair from skin or a hide, the method comprising contacting the cutting surface with a cleaning solution comprising water, ethanol derived from a renewable source, a polyol and a surfactant system comprising an anionic surfactant and an amphoteric surfactant, wherein the solution comprises from about 1% to about 10% by weight ethanol; from about 0.05% to about 1% by weight polyol; from about 0.05% to about 1% by weight anionic surfactant; and, from about 0.05% to about 1% by weight amphoteric surfactant.

2. The method as set forth in claim 1 , wherein the surfactant system further comprises a defoaming agent surfactant.

3. The method as set forth in claim 2 , wherein the defoaming agent surfactant is present in an amount from about 0.01% to about 0.25% by weight of the cleaning solution.

4. The method as set forth in claim 1 , wherein the cleaning solution further comprises an additive selected from the group consisting of an antimicrobial agent, a fragrance, a colorant, a pH balancer and combinations thereof.

5. The method as set forth in claim 1 , wherein the cleaning solution has a Carbon Index of at least about 95%.

6. A method for preparing a cleaning solution for cleaning a shaving device, the method comprising:

providing ethanol derived from a renewable source; and,

combining the alcohol with water, a polyol and a surfactant system comprising an anionic surfactant and an amphoteric surfactant, wherein the solution comprises from about 1% to about 10% by weight ethanol; from about 0.05% to about 1% by weight polyol; from about 0.05% to about 1% by weight anionic surfactant; and, from about 0.05% to about 1% by weight amphoteric surfactant.

7. The method as set forth in claim 6 , wherein the solution has a Carbon Index of at least about 95%.

8. The method as set forth in claim 6 , wherein the surfactant system further comprises a defoaming agent surfactant.

9. The method as set forth in claim 6 , wherein the solution further comprises an additive selected from the group consisting of an antimicrobial agent, a fragrance, a colorant, a pH balancer and combinations thereof.

Assignments (4)
NOTICE OF SUCCESSOR AGENT AND ASSIGNMENT OF SECURITY INTEREST (INTELLECTUAL PROPERTY) REEL/FRAME 036131/0272 Recorded Jun 5, 2018
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: ROYAL BANK OF CANADA
Reel/Frame 046301/0425 →
SECURITY INTEREST Recorded Jul 20, 2015
From: SPECTRUM BRANDS, INC.
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 036131/0272 →
RELEASE OF SECURITY INTEREST Recorded Jul 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL TRUSTEE
To: APPLICA CONSUMER PRODUCTS, INC.; APPLICA CONSUMER PRODUCTS, INC., A CORP. OF FLORIDA; KWIKSET CORPORATION; LIQUID HOLDING COMPANY, INC.; NATIONAL MANUFACTURING CO.; PRICE PFISTER, INC.; ROV HOLDING, INC., A CORP. OF DELAWARE; ROVCAL, INC.; ROVCAL, INC., A CORP. OF CALIFORNIA; RUSSELL HOBBS, INC., A CORP. OF DELAWARE; SALIX ANIMAL HEALTH, LLC; SEED RESOURCES, L.L.C.; SPECTRUM BRANDS, INC.; SPECTRUM BRANDS, INC. AS SUCCESSOR IN INTEREST TO ROVCAL, INC.; SPECTRUM BRANDS, INC., A CORP. OF DELAWARE; TELL MANUFACTURING, INC.; TETRA HOLDING (US), INC., A CORP. OF DELAWARE; TETRA HOLDINGS (US), INC.; UNITED INDUSTRIES CORPORATION; UNITED INDUSTRIES CORPORATION AS SUCCESSOR IN INTEREST TO LIQUID HOLDING COMPANY, INC.; UNITED PET GROUP, INC.; UNITED PET GROUP, INC., A CORP. OF DELAWARE
Reel/Frame 036102/0001 →
PATENT SECURITY AGREEMENT Recorded Dec 28, 2012
From: SPECTRUM BRANDS, INC.; UNITED INDUSTRIES CORPORATION; UNITED PET GROUP, INC.; APPLICA CONSUMER PRODUCTS, INC.; ROVCAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 029536/0634 →