US4896768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-bacterial and anti-viral presaturated wipe product
Assignee: MP SCIENTIFIC Inc
•
Filing: 1986-10-06
•
Granted: 1990-01-30
•
Expires: 2006-10-06
Abstract
Abstract A presaturated wipe product having a dilute glutaraldehyde saturated pad secured to a layer of packaging material is provided. The saturated pad is sealed in the packaging and the entire package is subjected to gamma -irradiation in order to maintain the disinfectant activity of the pad over an extended period of time.
Inventors
- 👤 Leslie B. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:11
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17; A01; A01N; A01N25/00; A01N25/34; A61; A61L; A61L2/00; A61L2/16; A61L2/18
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
110 words
A presaturated wipe product for applying an active disinfectant solution to a work surface comprising: a first layer of packaging material; a second layer of packaging material; a pad secured to said second layer; a dilute glutaraldehyde solution impregnated in the pad for providing disinfecting activity to the pad; wherein the first layer and the second layer are heat sealed to each other so as to form a sealed envelope for maintaining the presaturated pad therein; and further wherein the presaturated pad has been γ-irradiated after the first and second layers are heat sealed so that said envelope maintains disinfecting activity for the glutaraldehyde over an extended period of time.
Claim 2
Dependent Claim
110 words
A presaturated wipe product for applying an active disinfectant solution to a work surface comprising: a first layer of packaging material; a second layer of packaging material; a pad secured to said second layer; a dilute glutaraldehyde solution impregnated in the pad for providing disinfecting activity to the pad; wherein the first layer and the second layer are heat sealed to each other so as to form a sealed envelope for maintaining the presaturated pad therein; and further wherein the presaturated pad has been γ-irradiated after the first and second layers are heat sealed so that said envelope maintains disinfecting activity for the glutaraldehyde over an extended period of time.
Claim 3
Dependent Claim
27 words
The presaturated wipe product of claim 1, wherein at least one of the layers of packaging material comprises a layer of foil and a layer of polyethylene.
Claim 4
Dependent Claim
29 words
The presaturated wipe product of claim 2, wherein the at least one layer comprising a layer of foil and a layer of polyethylene further comprises a layer of paper.
Claim 5
Dependent Claim
20 words
The presaturated wipe product of claim 1, wherein the pad is secured to the second layer using a bonding adhesive.
Claim 6
Dependent Claim
14 words
The presaturated wipe product of claim 1, wherein the pad is a nonwoven material.
Claim 7
Dependent Claim
13 words
The presaturated wipe product of claim 5, wherein the nonwoven material is rayon.
Claim 8
Dependent Claim
18 words
The presaturated wipe product of claim 1, wherein the dilute glutaraldehyde solution comprises less than about 2% glutaraldehyde.
Claim 9
Dependent Claim
28 words
The presaturated wipe product of claim 7, wherein the dilute glutaraldehyde solution comprises about 0.25% glutaraldehyde, about 1.5% triethylene glycol, about 0.75% inert ingredients and about 97.5% water.
Claim 10
Dependent Claim
20 words
The presaturated wipe product of claim 8, wherein the water used to prepare the dilute glutaraldehyde solution is distilled water.
Claim 11
Dependent Claim
33 words
The presaturated wipe product of claim 1, wherein the presaturated wipe product is effective on a surface having a surface area up to 40 times greater than the area of the presaturated pad.
Claim 12
Dependent Claim
22 words
The presaturated wipe product of claim 1, wherein the product is effective against gram negative bacteria, gram positive bacteria and viral agents.
Claim 13
Dependent Claim
98 words
A presaturated wipe for applying an active disinfectant solution to a work surface prepared by the process comprising: securing a pad to a first layer of packaging material; impregnating said pad with a dilute glutaraldehyde solution for providing disinfecting activity to the pad; heat sealing the first layer to a second layer of packaging material to form a sealed envelope for maintaining the presaturated pad therein; and subjecting the sealed enveloped to γ-irradiation in order to prevent microbial growth inside the envelope and to maintain the effectiveness of the dilute glutaraldehyde solution over an extended period of time.
Claim 14
Dependent Claim
98 words
A presaturated wipe for applying an active disinfectant solution to a work surface prepared by the process comprising: securing a pad to a first layer of packaging material; impregnating said pad with a dilute glutaraldehyde solution for providing disinfecting activity to the pad; heat sealing the first layer to a second layer of packaging material to form a sealed envelope for maintaining the presaturated pad therein; and subjecting the sealed enveloped to γ-irradiation in order to prevent microbial growth inside the envelope and to maintain the effectiveness of the dilute glutaraldehyde solution over an extended period of time.
Claim 15
Dependent Claim
23 words
The product prepared by the process of claim 12, wherein the γ-irradiation is used at an intensity of less than about 1.0 mR.
References Cited (Backward Citations)
CA788314A
Cited
US3057467A
Cited
US3240326A
Cited
US3439469A
Cited
US3419137A
Cited
US3608566A
Cited
US3657760A
Cited
US4372098A
Cited
US4350246A
Cited
US4362241A
Cited
US4442655A
Cited
US4427111A
Cited
US4678698A
Cited
US4537807A
Cited
US4749080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-29 | 1993-07-31 | 1994-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-29 | 1997-07-31 | 1998-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-29 | 2001-07-31 | 2002-01-30 | $7700.00 | Window Closed / Lapsed |