US3776752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for finishing surfaces
Assignee: EIDP Inc
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Filing: 1971-06-29
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Granted: 1973-12-04
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Expires: 1991-06-29
Abstract
Abstract A novel wiping-type color composition is provided containing (A) a volatile organic liquid, (B) a dispersed polymer (e.g. an acrylic polymer) in the form of tiny solid coalescible particles which are insoluble in (A) at normal storage conditions and will not coalesce when applied at 25*C. and (C) a dispersed pigment which is present in an amount such that the (B):(C) weight-ratio is about 1:99 to 40:60. The process of applying this organosol is also claimed.
Inventors
- 👤 J Craven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:08
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B05D3/00; B05D3/12; B05D1/00; B05D1/40; B05D1/42; B05D7/00; B05D7/06; B05D7/08; B05D7/50; B05D7/52; B05D7/53; B05D7/534; B05D7/56; B05D7/57; B05D7/574; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31989
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
22 words
A process according to claim 1 wherein the coalescing step comprises contacting said layer with a solvent and subsequently evaporating said solvent.
Claim 2
Dependent Claim
22 words
wiping the layer on said surface with wiping means to attain the desired appearance of the wiped layer on the surface and
Claim 3
Dependent Claim
9 words
coalescing the layer to form a substantially coalesced layer.
Claim 4
Dependent Claim
90 words
A process according to claim 1 wherein the polymer in the dispersed phase has a Tg between about 40*C. and 70*C. and is at least one member selected from the group consisting of poly(alkyl acrylates), poly(alkyl methacrylates), interpolymers of an alkyl acrylate and an alkyl methacrylate, and interpolymers of about 50-99.9 percent by weight of units of an alkyl acrylate or an alkyl methacrylate and about 0.1-50 percent by weight of units of another ethylenically unsaturated compound selected from the group consisting of vinyl acetate, styrene, vinyl chloride, vinylidene chloride.
Claim 5
Dependent Claim
22 words
A process according to claim 3 wherein the coalescing step comprises contacting said layer with a solvent and subsequently evaporating said solvent.
Claim 6
Dependent Claim
19 words
A process according to claim 3 wherein the weight ratio of A: B is between about 5:95 and 35:65.
Claim 7
Dependent Claim
22 words
A process according to claim 5 wherein the coalescing step comprises contacting said layer with a solvent and subsequently evaporating said solvent.
Claim 8
Dependent Claim
18 words
A process according to claim 3 wherein the polymer particles have an average diameter of about 0.05-1 micron.
Claim 9
Dependent Claim
22 words
A process according to claim 7 wherein the coalescing step comprises contacting said layer with a solvent and subsequently evaporating said solvent.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |