US4998984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Premoistened prepackaged disposable disinfectant wiper
Assignee: Individual
•
Filing: 1989-11-15
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Granted: 1991-03-12
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Expires: 2009-11-15
Abstract
Abstract A prepackaged single use disposable wiper pad or towelette that is saturated with a disinfecting liquid is prepared. The wiper pad is effective to disinfect inanimate surfaces such as telephone mouthpiece or toilet seat against a broad spectrum of infectious microorganisms including the HIV-1 or AIDS virus. The wiper pad is of a size which fits in a pocket or purse and makes it convenient to be carried safely by a person and poses no problem in disposing such as by flushing in a toilet.
Inventors
- 👤 Evelyn McClendon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:41
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17; A01; A01N; A01N25/00; A01N25/34; A47K; A47K10/00; A47K10/16; A47K10/24; A47K10/32; A47K10/42; A61; A61L; A61L2/00; A61L2/16; A61L2/18; A47K2010/3266
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
95 words
An article of manufacturing comprising a disposable wiper pad which is impregnated, and is retained premoistened, with a liquid disinfectant composition that is effective to cleanse by wiping from an inanimate substantially nonporous surface, a broad spectrum of infectuous microorganisms including that identified as the human immunodeficiency virus, said composition comprising from about 0.01 percent to about 1.0 percent based on the weight of the liquid composition of a disinfectant selected from the group consisting of phenol, xylenol and sodium hypochlorite, said premoistened wiper pad being prepackaged in a container which is substantially liquid impermeable.
Claim 2
Dependent Claim
95 words
An article of manufacturing comprising a disposable wiper pad which is impregnated, and is retained premoistened, with a liquid disinfectant composition that is effective to cleanse by wiping from an inanimate substantially nonporous surface, a broad spectrum of infectuous microorganisms including that identified as the human immunodeficiency virus, said composition comprising from about 0.01 percent to about 1.0 percent based on the weight of the liquid composition of a disinfectant selected from the group consisting of phenol, xylenol and sodium hypochlorite, said premoistened wiper pad being prepackaged in a container which is substantially liquid impermeable.
Claim 3
Dependent Claim
13 words
The article of claim 1 wherein the container is substantially impermeable to light.
Claim 4
Dependent Claim
11 words
The article of claim 1 wherein the disinfectant is a phenol.
Claim 5
Dependent Claim
11 words
The article of claim 3 wherein the disinfectant is a xylenol.
Claim 6
Dependent Claim
11 words
The article of claim 1 wherein the disinfectant is sodium hypochlorite.
Claim 7
Dependent Claim
17 words
The article of claim 1 wherein the disinfectant is a blend of a phenol and a xylenol.
Claim 8
Dependent Claim
15 words
The article of claim 1 wherein the premoistening phenol solution is a non-alkaline germicidal detergent.
Claim 9
Dependent Claim
10 words
The articl of claim 3 wherein the disinfectant comprises o-phenylphenol.
Claim 10
Dependent Claim
11 words
The article of claim 3 wherein the disinfectant comprises p-tertiary amylphenol.
Claim 11
Dependent Claim
16 words
The article of claim 13 wherein the disinfectant comprises a blend of o-phenylphenol and p-tertiary amylphenol.
Claim 12
Dependent Claim
13 words
The article of claim 1 wherein the pad substrate comprises a non-woven fabric.
Claim 13
Dependent Claim
26 words
The article of claim 1 wherein the wiper pad has thickness not greater than 3/16 inch and an area of at least about four square inches.
Claim 14
Dependent Claim
21 words
The article of claim 1 wherein the wiper pad substrate is composed of a composition is biodegradable when exposed to air.
Claim 15
Independent Claim
91 words
A method for preparing a premoistened single use disposable wiper pad which is impregnated with a liquid disinfectant and which is an effective disinfectant against a broad spectrum of infectious microorganisms including the HIV virus which comprises saturating and thereby substantially impregnating an absorbent fabric substrate with from about 0.01 percent to about 1.0 percent based on the weight of the solution of a disinfectant liquid selected from the group consisting of phenol, xylenol and sodium hypochlorite, and enclosing said premoistened wiper pad in a container which is substantially liquid impermeable.
Claim 16
Independent Claim
91 words
A method for preparing a premoistened single use disposable wiper pad which is impregnated with a liquid disinfectant and which is an effective disinfectant against a broad spectrum of infectious microorganisms including the HIV virus which comprises saturating and thereby substantially impregnating an absorbent fabric substrate with from about 0.01 percent to about 1.0 percent based on the weight of the solution of a disinfectant liquid selected from the group consisting of phenol, xylenol and sodium hypochlorite, and enclosing said premoistened wiper pad in a container which is substantially liquid impermeable.
Claim 17
Dependent Claim
12 words
The method of claim 14 wherein the container comprises a tear-open packet.
Claim 18
Dependent Claim
14 words
The method of claim 14 wherein the fabric substrate is impregnated with a phenol.
Claim 19
Dependent Claim
19 words
The method of claim 14 wherein the fabric substrate is impregnated with a bled of o-phenylphenol and p-tertiary amylphenol.
Claim 20
Dependent Claim
14 words
The method of claim 14 wherein the fabric substrate is impregnated with xylenol liquid.
Claim 21
Dependent Claim
14 words
The method of claim 14 wherein the fabric substrate is impregnated with sodium hypochlorite.
Claim 22
Dependent Claim
18 words
The article of claim 1 wherein the face of the pad includes means that afford enhance abrading action.
References Cited (Backward Citations)
US3818533A
Cited
US3657760A
Cited
US3881210A
Cited
US4045364A
Cited
US4117187A
Cited
US4220244A
Cited
US4362781A
Cited
US4601081A
Cited
US4627936A
Cited
US4575891A
Cited
US4781974A
Cited
US4762124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-11 | 1994-09-10 | 1995-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-11 | 1998-09-10 | 1999-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-11 | 2002-09-10 | 2003-03-12 | $7700.00 | Window Closed / Lapsed |