Patent US4844891A successfully refreshed from Google Patents.
US4844891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Admixtures of iodopropargyl compounds and a formaldehyde donor
Assignee: Lonza LLC
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Filing: 1988-02-03
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Granted: 1989-07-04
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Expires: 2008-02-03
Abstract
Abstract A broad spectrum preservative composition which comprises (a) a formaldehyde donor and (b) a halopropynyl compound; formulations containing such compositions, particularly personal care and household products; and a method of inhibiting the growth of microorganisms which includes contacting said microorganisms with the preservative composition.
Inventors
- 👤 Marvin Rosen
- 👤 Kenneth J. Iandoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:09
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/12; A01N47/28; A01N47/36; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/49; A61K8/494; A61K8/4946; A61K8/4966; A61Q; A61Q17/00; A61Q17/005; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/524; A61K2800/59
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
42 words
A preservative composition which comprises an admixture of (a) a nontoxic, nonodiferous formaldehyde donor and (b) a halopropynyl compound selected from iodopropargyl esters, ethers, acetals, carbamates and carbonates, wherein the weight ratio of component (a) to (b) is from 50:1 to 1:1.
Claim 2
Dependent Claim
42 words
A preservative composition which comprises an admixture of (a) a nontoxic, nonodiferous formaldehyde donor and (b) a halopropynyl compound selected from iodopropargyl esters, ethers, acetals, carbamates and carbonates, wherein the weight ratio of component (a) to (b) is from 50:1 to 1:1.
Claim 3
Dependent Claim
13 words
The composition of claim 1 wherein the admixture contains dimethyloldimethylhydantoin and 3-iodo-2-propynylbutyl carbamate.
Claim 4
Dependent Claim
11 words
The composition of claim 1 wherein component (b) is 3-iodo-2-propynylbutyl carbamate.
Claim 5
Dependent Claim
22 words
The preservative composition of claim 1 wherein component (a) is dimethyloldimethylhydantoin; N,N"-methylene bis[N'-[1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl]urea]; N-(hydroxymethyl)-N-(1,3-dihydroxymethyl-2,5-dioxo-4-imidazolidinyl)-N'-(hydroxymethyl) urea; or the cis isomer of 1-(3-chloroallyl)-3,5,5-triaza-1-azoniaadamantane chloride.
Claim 6
Dependent Claim
19 words
The composition of claim 1 wherein the weight ratio of component (a) to (b) is from 20:1 to 10:1.
Claim 7
Dependent Claim
20 words
A personal care composition which comprises a surface active agent containing an effective amount of the composition of claim 1.
Claim 8
Dependent Claim
21 words
The personal care composition of claim 6 wherein the composition is a skin cream, a lotion, a shampoo, or a soap.
Claim 9
Dependent Claim
20 words
A household product composition which comprises a surface active agent containing an effective amount of the composition of claim 1.
Claim 10
Dependent Claim
24 words
The household product composition of claim 8 wherein the composition is a detergent, a hard surface cleaner, a fabric softener, or a room deodorizer.
Claim 11
Dependent Claim
19 words
A method of inhibiting the growth of microorganisms which comprises contacting said organisms with the composition of claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |