Patent US4015775A successfully refreshed from Google Patents.
US4080501A
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Melamine phosphate
Assignee: Wyeth Holdings LLC
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Filing: 1973-06-21
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Granted: 1978-03-21
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Expires: 1993-06-21
Abstract
Abstract Melamine phosphate having hydrogen bonded thereto from about 0.5 to about 1.5 moles of phosphoric acid per mole of melamine phosphate, particleboard containing said melamine phosphate material and processes for the production thereof, are disclosed.
Inventors
- 👤 Jeffrey Donald Leman
- 👤 Allan James Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/5205; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/54; C08K3/00; C08K3/32; C08L; C08L61/00; C08L61/20; C08L97/00; C08L97/02; C08L2201/00; C08L2201/02; C08L61/22; C08L61/24; C08L61/26; C08L61/28; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T156/00; Y10T156/10; Y10T428/00; Y10T428/25; Y10T428/253; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31971; Y10T428/31989
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
44 words
A method for the production of melamine phosphate having hydrogen bonded thereto at least about 0.5 mole of ortho phosphoric acid per mole of melamine phosphate which comprises reacting ortho phosphoric acid and melamine at a molar ratio of at least about 1.5:1, respectively.
Claim 2
Independent Claim
44 words
A method for the production of melamine phosphate having hydrogen bonded thereto at least about 0.5 mole of ortho phosphoric acid per mole of melamine phosphate which comprises reacting ortho phosphoric acid and melamine at a molar ratio of at least about 1.5:1, respectively.
Claim 3
Dependent Claim
24 words
A method according to claim 1 wherein the molar ratio of ortho phosphoric acid to melamine ranges from about 1.5 to about 2.5:1, respectively.
Claim 4
Dependent Claim
20 words
Melamine phosphate having hydrogen bonded thereto at least about 0.5 mole of ortho phosphoric acid per mole of melamine phosphate.
Claim 5
Dependent Claim
20 words
Melamine phosphate having hydrogen bonded thereto at least about 0.5 mole of ortho phosphoric acid per mole of melamine phosphate.
Claim 6
Dependent Claim
22 words
Melamine phosphate having hydrogen bonded thereto from about 0.5 to about 1.5 moles of ortho phosphoric acid per mole of melamine phosphate.
Claim 7
Dependent Claim
22 words
Melamine phosphate having hydrogen bonded thereto from about 0.5 to about 1.5 moles of ortho phosphoric acid per mole of melamine phosphate.
Claim 8
Dependent Claim
17 words
Melamine phosphate having hydrogen bonded thereto 0.6 mole of ortho phosphoric acid per mole of melamine phosphate.
Claim 9
Dependent Claim
17 words
Melamine phosphate having hydrogen bonded thereto 0.6 mole of ortho phosphoric acid per mole of melamine phosphate.
References Cited (Backward Citations)
US3296265A
Cited
US3284216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |