Patent US709190A successfully refreshed from Google Patents.
Patent US4426464A successfully refreshed from Google Patents.
US4426464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine paint
Assignee: International Paint Ltd
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Filing: 1982-06-29
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Granted: 1984-01-17
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Expires: 2002-06-29
Abstract
Abstract A marine paint capable of becoming smoother in relatively moving sea-water comprises a film-forming copolymer and a metalliferous pigment which is sparingly soluble in sea-water. The copolymer comprises 20-80 percent by weight of units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid with the balance of the copolymer being units of at least one olefinically unsaturated comonomer or comprises 10 to 80 percent by weight of (a) units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, up to 60 percent by weight of (b) units of a triorgano tin salt of an olefinically unsaturated carboxylic acid, with (a) and (b) together forming 20 to 80 percent by weight of the copolymer, and the balance of the copolymer being units of at least one olefinically unsaturated comonomer.
Inventors
- 👤 Cristian M. Sghibartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:28
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1606; C09D5/1637; C09D5/165
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
57 words
A marine paint comprising a film-forming copolymer which is a copolymer containing 20 to 80 percent by weight of units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, the balance of the copolymer being units of at least one olefinically unsaturated comonomer, and a metalliferous pigment which is sparingly soluble in sea-water.
Claim 2
Dependent Claim
57 words
A marine paint comprising a film-forming copolymer which is a copolymer containing 20 to 80 percent by weight of units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, the balance of the copolymer being units of at least one olefinically unsaturated comonomer, and a metalliferous pigment which is sparingly soluble in sea-water.
Claim 3
Dependent Claim
23 words
A marine paint according to claim 1 in which the copolymer comprises 20 to 60 percent by weight of the quinolinyl ester units.
Claim 4
Dependent Claim
93 words
A marine paint comprising a film-forming copolymer and a metalliferous pigment which is sparingly soluble in sea-water, in which the copolymer comprises 10 to 80 percent by weight of (a) units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, up to 60 percent by weight of (b) units of a triorgano tin salt of an olefinically unsaturated carboxylic acid, (a) and (b) together forming 20 to 80 percent by weight of the copolymer, and the balance of the copolymer being units of at least one olefinically unsaturated comonomer.
Claim 5
Dependent Claim
93 words
A marine paint comprising a film-forming copolymer and a metalliferous pigment which is sparingly soluble in sea-water, in which the copolymer comprises 10 to 80 percent by weight of (a) units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, up to 60 percent by weight of (b) units of a triorgano tin salt of an olefinically unsaturated carboxylic acid, (a) and (b) together forming 20 to 80 percent by weight of the copolymer, and the balance of the copolymer being units of at least one olefinically unsaturated comonomer.
Claim 6
Dependent Claim
20 words
A marine paint according to claim 1 or claim 3 in which the quinolinyl ester units are 8-quinolinyl acrylate units.
Claim 7
Dependent Claim
20 words
A marine paint according to claim 1 or claim 3 in which the quinolinyl ester units are 8-quinolinyl methacrylate units.
Claim 8
Dependent Claim
21 words
A marine paint according to claim 1 or claim 3 in which the comonomer is an alkyl acrylate or methacrylate ester.
Claim 9
Dependent Claim
30 words
A marine paint according to claim 1 or claim 3 in which the metalliferous pigment is a mixture of zinc oxide with cuprous oxide, cuprous thiocyanate or zinc ethylene bis(dithiocarbamate).
Claim 10
Dependent Claim
36 words
A marine paint according to claim 1 or claim 3 in which the metalliferous pigment is a mixture of zinc oxide with cuprous oxide or cuprous thiocyanate in a ratio of 1:1 to 9:1 by weight.
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) | 1987-01-16 | 1987-07-18 | 1988-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-16 | 1991-07-18 | 1992-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-16 | 1995-07-18 | 1996-01-17 | $7700.00 | Window Closed / Lapsed |