US3985692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of overspray in solvent system paints
Assignee: ChampionX LLC
•
Filing: 1974-12-05
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Granted: 1976-10-12
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Expires: 1994-12-05
Abstract
Abstract Overspraying in solvent system paints is controlled by adding to the paints a fraction of a per cent of an oil soluble polymer, preferably one having a linear hydrocarbon structure derived from an ethylenically unsaturated monomer containing 2 to 5 carbon atoms.
Inventors
- 👤 Robert C. Sykes
- 👤 Joseph F. Vartiak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:49
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C09D7/00; C09D7/40; C09D7/65; C08; C08L; C08L23/00; C08L23/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
72 words
A sprayable oil based paint containing an oil soluble hydrocarbon polymer formed by the polymerization of at least one hydrophobic hydrocarbon monomer through an aliphatic hydrocarbon unsaturated group and having a molecular weight of at least 50,000, the quantity of said polymer being sufficient to reduce overspray when said paint is sprayed but insufficient to substantially increase the viscosity of said paint and constituting 0.0015% to 0.01% by weight of said paint.
Claim 2
Dependent Claim
72 words
A sprayable oil based paint containing an oil soluble hydrocarbon polymer formed by the polymerization of at least one hydrophobic hydrocarbon monomer through an aliphatic hydrocarbon unsaturated group and having a molecular weight of at least 50,000, the quantity of said polymer being sufficient to reduce overspray when said paint is sprayed but insufficient to substantially increase the viscosity of said paint and constituting 0.0015% to 0.01% by weight of said paint.
Claim 3
Dependent Claim
25 words
A composition as claimed in claim 1 wherein said monomer is a hydrocarbon containing one or two unsaturated groups and 2 to 5 carbon atoms.
Claim 4
Dependent Claim
15 words
A composition as claimed in claim 1 in which said polymer is a polyisobutylene polymer.
Claim 5
Dependent Claim
24 words
A composition as claimed in claim 1 in which the amount of said polymer is approximately 0.005% by weight of said oil based paint.
Claim 6
Dependent Claim
30 words
An oil based paint as claimed in claim 1 in which said oil soluble polymer is selected from the group consisting of polyethylene, polypropylene, polyisobutylene, polybutadiene, polyisoprene and copolymers thereof.
Claim 7
Dependent Claim
87 words
In a process of controlling overspray in oil based paints, the improvement which comprises incorporating into the oil based paint a drift controlling but a substantially non-viscosity increasing amount of an oil soluble hydrocarbon polymer formed by the polymerization of at least one hydrophobic hydrocarbon monomer through an aliphatic hydrocarbon unsaturated group and having a molecular weight of at least 50,000, the amount of said polymer added to said oil based paint being within the range of 0.0015 to 0.01% by weight of said oil based paint.
Claim 8
Dependent Claim
87 words
In a process of controlling overspray in oil based paints, the improvement which comprises incorporating into the oil based paint a drift controlling but a substantially non-viscosity increasing amount of an oil soluble hydrocarbon polymer formed by the polymerization of at least one hydrophobic hydrocarbon monomer through an aliphatic hydrocarbon unsaturated group and having a molecular weight of at least 50,000, the amount of said polymer added to said oil based paint being within the range of 0.0015 to 0.01% by weight of said oil based paint.
Claim 9
Dependent Claim
26 words
A process as claimed in claim 6 in which said monomer is a hydrocarbon containing one or two unsaturated groups and 2 to 5 carbon atoms.
Claim 10
Dependent Claim
15 words
A process as claimed in claim 6 in which said polymer is a polyisobutylene polymer.
Claim 11
Dependent Claim
24 words
A process as claimed in claim 6 in which the amount of said polymer is approximately 0.005% by weight of said oil based paint.
Claim 12
Dependent Claim
28 words
A process as claimed in claim 6 in which said oil soluble polymer is selected from the group consisting of polyethylene, polypropylene, polyisobutylene, polybutadiene, polyisoprene and copolymers thereof.
References Cited (Backward Citations)
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US3546146A
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US3505256A
Cited
US3786008A
Cited
US3600346A
Cited
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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) | 1979-10-12 | 1980-04-12 | 1980-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-12 | 1984-04-12 | 1984-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-12 | 1988-04-12 | 1988-10-12 | $7700.00 | Window Closed / Lapsed |