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US4111879A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition for inhibiting adhesion of shellfish and algae

Assignee: Ihara Chemical Industry Co Ltd
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Filing: 1976-10-28
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Granted: 1978-09-05
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Expires: 1996-10-28
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Abstract

Abstract A composition for inhibiting an adhesion of shellfish and algae comprises a resin, a medium and a N-arylmaleimide having the formula ##STR1## wherein X represents hydrogen or halogen atom; Y 1 represents hydrogen, or halogen atom or alkyl, lower alkoxy, nitro, hydroxyl, alkoxycarbonyl, carboxyl, phenyl, phenylamino, alkenyl, thiocyano, sulfone, acetylamino, or sulfamoyl group; Y 2 represents hydrogen or halogen atom or alkyl, lower alkoxy, nitro or hydroxyl group and Y 3 represents hydrogen or halogen atom or dialkylamino group. The inhibiting composition is coated on a fishing net, a ship bottom or other apparatus in water.

Inventors

  • 👤 Kogoro Mori
  • 👤 Taro Izawa
  • 👤 Yoshifumi Mizuno
  • 👤 Sadayoshi Matsui

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:58
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C09; C09D; C09D5/00; C09D5/16; C09D5/1606; C09D5/1612; C09D5/1625; Y; Y10; Y10S; Y10S428/00; Y10S428/907

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 102 words
A method of inhibiting adhesion of shellfish and algae on a fish net or a ship bottom or an apparatus in water which comprises coating thereon a composition comprising a resin, a medium and from 5-80 wt.% thereof of a N-aryl-maleimide having the formula: ##STR16## wherein X represents hydrogen or halogen atom; Y 1 represents hydrogen or halogen atom or alkyl, lower alkoxy, nitro, hydroxyl, alkoxycarbonyl, carboxyl, phenyl, phenylamino, alkenyl, thiocyano, sulfone, acetylamino or sulfamoyl group; Y 2 represents hydrogen or halogen atom or alkyl, lower alkoxy, nitro or hydroxyl group and Y 3 represents hydrogen or halogen atom or dialkylamino group.
Claim 2
Independent Claim 102 words
A method of inhibiting adhesion of shellfish and algae on a fish net or a ship bottom or an apparatus in water which comprises coating thereon a composition comprising a resin, a medium and from 5-80 wt.% thereof of a N-aryl-maleimide having the formula: ##STR16## wherein X represents hydrogen or halogen atom; Y 1 represents hydrogen or halogen atom or alkyl, lower alkoxy, nitro, hydroxyl, alkoxycarbonyl, carboxyl, phenyl, phenylamino, alkenyl, thiocyano, sulfone, acetylamino or sulfamoyl group; Y 2 represents hydrogen or halogen atom or alkyl, lower alkoxy, nitro or hydroxyl group and Y 3 represents hydrogen or halogen atom or dialkylamino group.
Claim 3
Dependent Claim 12 words
The process of claim 1, wherein the medium is an organic solvent.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-09-04 1982-03-06 1982-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-09-04 1986-03-06 1986-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-09-04 1990-03-06 1990-09-05 $7700.00 Window Closed / Lapsed

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