Patent US2518049A successfully refreshed from Google Patents.
US3303170A
Expired / Lapsed
US
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Triazine modified polyphenylene sulfide resins
Assignee: Saint Gobain Abrasives Inc
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Filing: 1963-11-08
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Granted: 1967-02-07
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Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Roscoe A Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:22
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/0204; C07; C07B; C07B45/00; C08G75/0209; C08G75/0213; C08G75/0222; C08G75/0231; C08G75/0236; C08G75/025; C08G75/0263
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
81 words
A METHOD OF MAKING A POLYSULFIDE POLYMER COMPRISING REACTING TOGETHER IN A SEALED CONTAINER SULFUR, A COMPOUND SELECTED FROM THE GROUPCONSISTING OF ALKALI METAL AND ALKALINE EARTH METL CARBONATES, SULFIDES, AND OXIDES, AT LEAST ONE NUCLEARLY HALOGEN DISUBSTITUTED AROMATIC COMPOUND, AND A TRIPHRNYL TRIAZINE IN WHICH AT LEAST ONE PHENYL GROUP HAS A NUCLEARLY SUBSTITUTED BROMINE, CHLORINE, OR IODINE, AND IN WHICH THE REACTANT MIXTURE IS HEATED TO FROM 270%C. TO 360%C. FOR AT LEAST 5 HOURS TO COMPLETE THE REACTION.
Claim 2
Independent Claim
81 words
A METHOD OF MAKING A POLYSULFIDE POLYMER COMPRISING REACTING TOGETHER IN A SEALED CONTAINER SULFUR, A COMPOUND SELECTED FROM THE GROUPCONSISTING OF ALKALI METAL AND ALKALINE EARTH METL CARBONATES, SULFIDES, AND OXIDES, AT LEAST ONE NUCLEARLY HALOGEN DISUBSTITUTED AROMATIC COMPOUND, AND A TRIPHRNYL TRIAZINE IN WHICH AT LEAST ONE PHENYL GROUP HAS A NUCLEARLY SUBSTITUTED BROMINE, CHLORINE, OR IODINE, AND IN WHICH THE REACTANT MIXTURE IS HEATED TO FROM 270%C. TO 360%C. FOR AT LEAST 5 HOURS TO COMPLETE THE REACTION.
Claim 3
Dependent Claim
12 words
THE POLYMERIC RECTION PRODUCT RESULTING FROM THE METHOD DEFINED IN CLAIM 1.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |