US3725327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc di(lower alkyl) dithiocarbamates as mold inhibitors for latex paints
Assignee: Vanderbilt Chemicals LLC
•
Filing: 1970-11-16
•
Granted: 1973-04-03
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Expires: 1990-11-16
Abstract
Abstract Zinc dimethyldithiocarbamate, when incorporated in latex paint in sufficient amount, inhibits the growth of mold on the paint film obtained upon drying of the paint.
Inventors
- 👤 M Stearns
- 👤 W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:57
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024; C09D5/025
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
14 words
A paint according to claim 1 wherein said zinc di(lower alkyl)dithiocarbamate is zinc dimethyldithiocarbamate.
Claim 2
Dependent Claim
28 words
A paint according to claim 2 wherein the concentration of said zinc dimethyldithiocarbamate is from about 1 to about 16 weight per cent, based upon total paint solids.
Claim 3
Dependent Claim
27 words
A paint according to claim 2 wherein the concentration of said zinc dimethyldithiocarbamate is from about 4 to about 8 per cent, based upon total paint solids.
Claim 4
Dependent Claim
20 words
A paint according to claim 2 wherein said zinc dimethyldithiocarbamate is in synergistic admixture with the zinc salt of 2-mercaptobenzothiazole.
Claim 5
Dependent Claim
51 words
A dry paint film formed upon drying a latex paint comprising water, a film forming synthetic resin selected from the group consisting of polymers of methyl methacrylate and ethyl acrylate and polvinyl acetate and a zinc di(lower alkyl)dithiocarbamate in an amount sufficient to inhibit the growth of mold on said film.
Claim 6
Dependent Claim
15 words
A paint film according to claim 6 wherein said zinc di(lower alkyl)dithiocarbamate is zinc dimethyldithiocarbamate.
Claim 7
Dependent Claim
24 words
A paint film according to claim 7 wheRein the concentration of said zinc dimethyldithiocarbamate is from about 1 to about 16 weight per cent.
Claim 8
Dependent Claim
23 words
A paint film according to claim 8 wherein the concentration of said zinc dimethyldithiocarbamate is from about 4 to about 8 per cent.
Claim 9
Dependent Claim
21 words
A paint film according to claim 7 wherein said zinc dimethyldithiocarbamate is in synergistic admixture with the zinc salt of 2-mercaptobenzothiazole.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |