Patent US5510059A successfully refreshed from Google Patents.
US5510059A
Expired / Lapsed
US
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Surface-treated melamine cyanurate powder and process for its production
Assignee: Nissan Chemical Corp
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Filing: 1995-01-24
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Granted: 1996-04-23
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Expires: 2015-01-24
Abstract
Abstract A melamine cyanurate powder composed of readily dispersible aggregated primary particles of melamine cyanurate surface-treated with a metal oxide.
Inventors
- 👤 Shinichi Yuki
- 👤 Kouji Shishido
- 👤 Masayoshi Shirakawa
- 👤 Masuo Shindo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:55
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/54
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
29 words
A melamine cyanurate powder comprising readily dispersible aggregated primary particles of melamine cyanurate, and particles of metal oxide fixed on the surface of said primary particles of melamine cyanurate.
Claim 2
Dependent Claim
29 words
A melamine cyanurate powder comprising readily dispersible aggregated primary particles of melamine cyanurate, and particles of metal oxide fixed on the surface of said primary particles of melamine cyanurate.
Claim 3
Dependent Claim
18 words
The melamine cyanurate powder according to claim 1, wherein the metal oxide is silica, alumina or antimony oxide.
Claim 4
Dependent Claim
34 words
The melamine cyanurate powder according to claim 1, wherein the metal oxide is present in an amount of from 0.1 to 10 parts by weight per 100 parts by weight of the melamine cyanurate.
Claim 5
Dependent Claim
34 words
The melamine cyanurate powder according to claim 2, wherein the metal oxide is present in an amount of from 0.1 to 10 parts by weight per 100 parts by weight of the melamine cyanurate.
Claim 6
Dependent Claim
38 words
A process for producing a melamine cyanurate powder, which comprises reacting melamine with cyanuric acid in an aqueous medium in the presence of a metal oxide sol, and spray drying the resulting aqueous dispersion slurry of melamine cyanurate.
Claim 7
Dependent Claim
38 words
A process for producing a melamine cyanurate powder, which comprises reacting melamine with cyanuric acid in an aqueous medium in the presence of a metal oxide sol, and spray drying the resulting aqueous dispersion slurry of melamine cyanurate.
Claim 8
Dependent Claim
26 words
The process for producing a melamine cyanurate powder according to claim 5, wherein the metal oxide sol is silica sol, alumina sol or antimony oxide sol.
Claim 9
Dependent Claim
50 words
The process for producing a melamine cyanurate powder according to claim 5, wherein the metal oxide sol is present in an amount of from 0.1 to 10 parts by weight as calculated as the metal oxide per 100 parts by weight of the total amount of melamine and cyanuric acid.
Claim 10
Dependent Claim
50 words
The process for producing a melamine cyanurate powder according to claim 6, wherein the metal oxide sol is present in an amount of from 0.1 to 10 parts by weight as calculated as the metal oxide per 100 parts by weight of the total amount of melamine and cyanuric acid.
References Cited (Backward Citations)
US4387224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-04-23 | 1999-10-23 | 2000-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-23 | 2003-10-23 | 2004-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-23 | 2007-10-23 | 2008-04-23 | $7700.00 | Window Closed / Lapsed |