Patent US5514731A successfully refreshed from Google Patents.
US5514731A
Expired / Lapsed
US
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Antifouling paint
Assignee: Hayashikane Paint Co Ltd
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Filing: 1990-12-14
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Granted: 1996-05-07
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Expires: 2010-12-14
Abstract
Abstract This invention discloses an antifouling paint which can retain antifouling properties over a long period of time comprising: (A) 100 parts by weight of a film forming resin, and (B) 1-50 parts by weight of a chain organopolysiloxane containing oxyalkylene groups and having an HLB of 3-12.
Inventors
- 👤 Yoshito Nakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:56
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1656; C09D5/1662; C09D5/1675
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
36 words
An antifouling paint comprising: (A) 100 parts by weight of a film-forming resin, (B) 1-50 parts by weight of a chain organopolysiloxane containing oxyalkylene groups and having an HLB of 3-12, and (C) an adhesive resin.
Claim 2
Dependent Claim
36 words
An antifouling paint comprising: (A) 100 parts by weight of a film-forming resin, (B) 1-50 parts by weight of a chain organopolysiloxane containing oxyalkylene groups and having an HLB of 3-12, and (C) an adhesive resin.
Claim 3
Dependent Claim
17 words
The antifouling paint of claim 1, wherein the film-forming resin of component (A) is an acrylic resin.
Claim 4
Dependent Claim
70 words
The antifouling paint of claim 1, wherein the chain organopolysiloxane of component (B) is the one represented by general formula of M--D 4 --C 3 H 6 --O--(C 2 H 4 O) 9 --H, wherein M is a monofunctional siloxane unit containing one oxygen atom which is bonded to a silicon atom and D is a bifunctional siloxane unit containing 2 oxygen atoms which are bonded to a silicon atom.
Claim 5
Dependent Claim
31 words
The antifouling paint of claim 3, wherein the unit M is represented by the following general formula : ##STR3## where R 1 , R 2 and R 3 are alkyl groups.
Claim 6
Dependent Claim
18 words
The antifouling paint of claim 4, wherein R 1 , R 2 and R 3 are methyl groups.
Claim 7
Dependent Claim
30 words
The antifouling paint of claim 3, wherein the unit D is represented by the following general formula: ##STR4## where R 4 and R 5 are alkyl, alkenyl or aryl groups.
Claim 8
Dependent Claim
24 words
The antifouling paint of claim 6, wherein R 4 and R 5 are groups selected from a group consisting of methyl, vinyl and phenyl.
Claim 9
Dependent Claim
14 words
The antifouling paint of claim 1, wherein the HLB lies within the range 4-11.
Claim 10
Dependent Claim
14 words
The antifouling paint of claim 8, wherein the HLB lies within the range 9-11.
Claim 11
Dependent Claim
12 words
The antifouling paint of claim 1, further containing (D) an antifouling agent.
Claim 12
Dependent Claim
41 words
The antifouling paint of claim 10, wherein the antifouling agent is selected from the group consisting of an organotin compound, an organozinc compound, a halogenated aromatic compound, a sulfamide compound and flakes of a fine powder of copper or cuprous oxide.
Claim 13
Dependent Claim
11 words
The antifouling paint of claim 10 further containing a photosynthesis inhibitor.
Claim 14
Dependent Claim
17 words
The antifouling paint of claim 12, wherein the photosynthesis inhibitor is a containing a triazine ring compound.
Claim 15
Dependent Claim
23 words
The antifouling paint of claim 12, further comprising at least one agent selected from the group consisting of anti-drip agents and coloring pigments.
Claim 16
Dependent Claim
14 words
The antifouling paint of claim 1, wherein the adhesive resin is a polybutene resin.
Claim 17
Dependent Claim
29 words
The antifouling paint of claim 15, wherein the adhesive resin is a random copolymer obtained by reacting isobutylene and normal butylene in butane-butylene distillate produced by decomposition of naphtha.
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) | 1999-05-07 | 1999-11-06 | 2000-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-05-07 | 2003-11-06 | 2004-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-05-07 | 2007-11-06 | 2008-05-07 | $7700.00 | Window Closed / Lapsed |