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US3861949A
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Article having applied to the surface thereof, an anti-fouling composition comprising a polymer and an organo-tin compound
Assignee: Kureha Corp
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Filing: 1972-04-27
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Granted: 1975-01-21
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Expires: 1992-04-27
Abstract
Abstract WHEREIN R1 is n-dodecyl and R2 and R3 are methyl. In an article to be used in or under water and in constant contact with the water, at least the surface of the article is composed of an anti-fouling composition which comprises a polymer and an organo tin compound of the formula:
Inventors
- 👤 Mitsuo Onozuka
- 👤 Yasuo Hayashi
- 👤 Yoshiaki Adachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:22
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C09; C09D; C09D5/00; C09D5/16; C09D5/1606; C09D5/1612; C09D5/1625; C09D5/1631; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31725; Y10T428/31786; Y10T428/31855; Y10T428/31931; Y10T428/31935
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
48 words
AN ARTICLE TO BE USED IN OR UNDER WATER AND IN CONTACT WITH WATER, AT LEAST THE SURFACE OF SAID ARTICLE BEING COMPOSED OF AN ANTI-FOULING COMPOSITION COMPRISING A POLYMER AND AN AMOUNT OF A SUBSTANCE EFFECTIVE TO PREVENT FOULING WHICH COMPRISES AN ORGANO-TIN COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
48 words
AN ARTICLE TO BE USED IN OR UNDER WATER AND IN CONTACT WITH WATER, AT LEAST THE SURFACE OF SAID ARTICLE BEING COMPOSED OF AN ANTI-FOULING COMPOSITION COMPRISING A POLYMER AND AN AMOUNT OF A SUBSTANCE EFFECTIVE TO PREVENT FOULING WHICH COMPRISES AN ORGANO-TIN COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
20 words
The article of claim 1 wherein said anti-fouling composition comprises an intimate blend of said polymer and said organo-tin compound.
Claim 4
Dependent Claim
22 words
The article of claim 1, wherein said article itself consists essentially of said intimate blend of said polymer and said organo-tin compound.
Claim 5
Dependent Claim
18 words
The article of claim 1, wherein said anti-fouling composition is applied to a substrate of a different material.
Claim 6
Dependent Claim
18 words
The article of claim 1, wherein said anti-fouling composition is applied to a substrate as a distinct coating.
Claim 7
Dependent Claim
23 words
The article of claim 1, wherein the anti-fouling composition comprises 0.5-200 weight parts of the organo-tin compound per 100 parts of the polymer.
Claim 8
Dependent Claim
29 words
The article of claim 3, which is a melt-spun thermoplastic fibrous material containing the organo-tin compound in an amount of 0.5-5 weight parts per 100 parts of the polymer.
Claim 9
Dependent Claim
54 words
The article of claim 1, wherein said polymer is a synthetic resin selected from the group consisting of a polymer of ethylene, propylene, vinyl chloride, vinylidene chloride, vinyl fluoride, vinylidene fluoride, vinyl acetate, acrylonitrile, methacrylic acid esters, a polymer of styrene and butadiene, a polyamide, a polyester, a polyurethane, an epoxy and a phenolic.
Claim 10
Dependent Claim
33 words
The article of claim 1 wherein the polymer is an ethylene vinyl acetate copolymer and is applied with said organo-tin compound in the form of a solution or dispersion in an organic solvent.
Claim 11
Dependent Claim
32 words
The article of claim 1, wherein the polymer is polyester resin oil varnish and is applied with said organo-tin compound in the form of a solution or dispersion in an organic solvent.
Claim 12
Dependent Claim
31 words
The article of claim 1, wherein the polymer is vinyl resin varnish and is applied with said organo-tin compound in the form of a solution or dispersion in an organic solvent.
References Cited (Backward Citations)
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US3100215A
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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) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |