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US4086206A
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Organophosphorus compounds and process for the production thereof
Assignee: Sanko Kaihatsu Kagaku Kenkyusho KK
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Filing: 1977-07-05
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Granted: 1978-04-25
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Expires: 1997-07-05
Abstract
Abstract New phosphorus-containing condensation products are obtained by conducting dehydrocondensation of 10-hydroxymethyl-9, 10-dihydro-9-oxa-10-phosphorphenanthrene-10-oxide compounds with melamine or benzoguanamine.
Inventors
- 👤 Toranosuke Saito
- 👤 Masakatu Kitani
- 👤 Kenshi Mori
- 👤 Shinichi Izawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5313; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6515; C07F9/6521; C07F9/6564; C07F9/6571; C07F9/657163; C07F9/657172; C07F9/65719; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
66 words
Phosphorus-containing condensation products having the structure represented by the following Formula I, ##STR13## wherein Z represents radical ##STR14## and X is radical ##STR15## wherein R 1 , R 2 and R 3 each is hydrogen, a halogen atom, an alkyl group of 1 to 8 carbon atoms, an aralkyl group, cyclohexyl or phenyl, x is 0, 1 or 2 and y is from 1 to 4.
Claim 2
Dependent Claim
66 words
Phosphorus-containing condensation products having the structure represented by the following Formula I, ##STR13## wherein Z represents radical ##STR14## and X is radical ##STR15## wherein R 1 , R 2 and R 3 each is hydrogen, a halogen atom, an alkyl group of 1 to 8 carbon atoms, an aralkyl group, cyclohexyl or phenyl, x is 0, 1 or 2 and y is from 1 to 4.
Claim 3
Dependent Claim
17 words
Phosphorus-containing condensation products of claim 1 wherein Z is phenyl and y is from 1 to 2.
Claim 4
Dependent Claim
26 words
Phosphorus-containing condensation products of claim 1 wherein Z is --NH 2-x X x , x is 0 or 1 and y is from 1 to 2.
Claim 5
Dependent Claim
18 words
Phosphorus-containing condensation products of claim 1 wherein R 1 , R 2 and R 3 each is hydrogen.
Claim 6
Dependent Claim
20 words
Phosphorus-containing condensation products of claim 1 wherein R 1 and R 2 each is chlorine and R 3 is hydrogen.
Claim 7
Dependent Claim
18 words
Phosphorus-containing condensation products of claim 1 wherein R 1 , R 2 and R 3 each is tert.-butyl.
Claim 8
Dependent Claim
20 words
Phosphorus-containing condensation products of claim 1 wherein R 1 is phenyl and R 2 and R 3 each is hydrogen.
Claim 9
Dependent Claim
20 words
Phosphorus-containing condensation products of claim 1 wherein R 1 is methyl, R 2 is tert-butyl and R 3 is hydrogen.
Claim 10
Dependent Claim
43 words
A process for the preparation of phosphorus-containing condensation products of Formula I, which comprises conducting a dehydration condensation of organophosphorus compounds represented by Formula III, ##STR16## wherein R 1 , R 2 and R 3 are as defined above with melamine or benzoguanamine.
Claim 11
Dependent Claim
43 words
A process for the preparation of phosphorus-containing condensation products of Formula I, which comprises conducting a dehydration condensation of organophosphorus compounds represented by Formula III, ##STR16## wherein R 1 , R 2 and R 3 are as defined above with melamine or benzoguanamine.
Claim 12
Dependent Claim
45 words
A process for the preparation of phosphorus-containing condensation products of Formula I, which comprises conducting a heating condensation between organophosphorus compounds represented by Formula IV, ##STR17## wherein R 1 , R 2 and R 3 are as defined above and alkoxymethyl melamines or alkoxymethyl benzoguanamines.
Claim 13
Dependent Claim
45 words
A process for the preparation of phosphorus-containing condensation products of Formula I, which comprises conducting a heating condensation between organophosphorus compounds represented by Formula IV, ##STR17## wherein R 1 , R 2 and R 3 are as defined above and alkoxymethyl melamines or alkoxymethyl benzoguanamines.
Claim 14
Dependent Claim
76 words
A flame retardant resin composition comprising a normally inflammable synthetic resin and a suitable amount of phosphorus-containing condensation products of Formula I ##STR18## wherein Z represents radical ##STR19## and X is radical ##STR20## wherein R 1 , R 2 and R 3 each is hydrogen, a halogen atom, an alkyl group of 1 to 8 carbon atoms, an aralkyl group, cyclohexyl or phenyl, x is 0, 1 or 2 and y is from 1 to 4.
Claim 15
Dependent Claim
76 words
A flame retardant resin composition comprising a normally inflammable synthetic resin and a suitable amount of phosphorus-containing condensation products of Formula I ##STR18## wherein Z represents radical ##STR19## and X is radical ##STR20## wherein R 1 , R 2 and R 3 each is hydrogen, a halogen atom, an alkyl group of 1 to 8 carbon atoms, an aralkyl group, cyclohexyl or phenyl, x is 0, 1 or 2 and y is from 1 to 4.
Claim 16
Dependent Claim
29 words
The resin composition of claim 11 wherein the synthetic resin is selected from the group consisting of AS resins, ABS resins, polystyrenes, polycarbonates, polyesters, polyamides, phenoxy resins and aminoplasts.
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) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |