US4240940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water clean up aerosol paint
Assignee: FIRST INTERSTATE COMMERCIAL Corp
•
Filing: 1979-02-16
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Granted: 1980-12-23
•
Expires: 1999-02-16
Abstract
Abstract An improved aerosol paint formulation which can be cleaned up with water, comprising a water soluble film forming resin in a solvent system of water soluble solvent and water insoluble solvent. The solvent system contains a relatively large proportion of water insoluble solvent for economy and fire safety.
Inventors
- 👤 Ramesh C. Vasishth
- 👤 Robert S. Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:43
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/021; C09D5/20; C09D7/00; Y; Y10; Y10S; Y10S524/00; Y10S524/903
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
60 words
In an aerosol container having propellant therein, an improved paint formulation in said container comprising: about 15-35 weight percent of a water soluble film forming resin, about 15-30 weight percent of a water soluble solvent for said resin, about 25-45 weight percent of a water insoluble solvent for said resin, and not more than about 8 weight percent of water.
Claim 2
Dependent Claim
60 words
In an aerosol container having propellant therein, an improved paint formulation in said container comprising: about 15-35 weight percent of a water soluble film forming resin, about 15-30 weight percent of a water soluble solvent for said resin, about 25-45 weight percent of a water insoluble solvent for said resin, and not more than about 8 weight percent of water.
Claim 3
Dependent Claim
19 words
The improved paint formulation of claim 1 wherein there is present less than about 1 weight percent of water.
Claim 4
Dependent Claim
18 words
The improved paint formulation of claim 2 wherein said water insoluble solvent for said resin is V.M.&P. naphtha.
Claim 5
Dependent Claim
24 words
The improved paint formulation of claim 3 wherein said water soluble solvent is selected from ethylene glycol monobutyl ether and diethylene glycol monobutyl ether.
Claim 6
Dependent Claim
21 words
The improved paint formulation of claim 1 wherein said paint formulation includes up to about 40 weight percent of pigment therein.
Claim 7
Dependent Claim
46 words
The improved paint formulation of claim 1 in which said paint formulation has the following ingredients in weight percent: ______________________________________
Water soluble resin
15-35%
Water soluble solvent
15-30%
Water insoluble solvent
25-45%
Pigments 0-40%
Drier 0.01-2.0%
Wetting agent 0-3.0%
Flattening agent 0-20%
Anti-settling agent
0-3.0%
______________________________________
References Cited (Backward Citations)
US4094836A
Cited
US4051089A
Cited
US4025476A
Cited
US4125499A
Cited
US4140729A
Cited
US4124555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |