Patent US1361315A successfully refreshed from Google Patents.
Patent US3299173A successfully refreshed from Google Patents.
US3299173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyesters prepared from reactable fire-retardant agents
Assignee: Diamond Shamrock Corp
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Filing: 1963-04-15
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Granted: 1967-01-17
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Frank F Roselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/90; C07F9/902; C07F5/00; C07F5/02; C07F5/04; C07F7/00; C07F7/003; C07F7/02; C07F7/04; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A FIRE-RESISTANT, CURABLE POLYESTER COMPOSITION WHICH COMPRISES: (A) ABOUT 30-82% BY WEIGHT OF THE REACTION PRODUCT OF (1) ABOUT 2.0-2.5 MOLAR PARTS OF AT LEAST ONE ALIPHATIC POLYHYDROXY COMPOUND, (2) ABOUT 0.4-2.0 MOLAR PARTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIBASIC CARBOXYLIC ACIDS CONTAINING A POLYMERIZABLE DOUBLE BOND AND ANHYDRIDES THEREOF, AND (3) ABOUT 0-1.6 MOLAR PARTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NON-POLYMERIZABLE DIBASIC CARBOXYLIC ACIDS AND ANHYDRIDES THEREOF; (B) ABOUT 15-68% BY WEIGHT OF A SOLVENT FOR SAID REACTION PRODUCT (A), SAID SOLVENT COMPRISING A MONOVINYL AROMATIC COMPOUND; AND (C) AS A REACTIVE FIRE-RETARDANT ADDITIVE, ABOUT 2-30% BY WEIGHT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
113 words
A FIRE-RESISTANT, CURABLE POLYESTER COMPOSITION WHICH COMPRISES: (A) ABOUT 30-82% BY WEIGHT OF THE REACTION PRODUCT OF (1) ABOUT 2.0-2.5 MOLAR PARTS OF AT LEAST ONE ALIPHATIC POLYHYDROXY COMPOUND, (2) ABOUT 0.4-2.0 MOLAR PARTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIBASIC CARBOXYLIC ACIDS CONTAINING A POLYMERIZABLE DOUBLE BOND AND ANHYDRIDES THEREOF, AND (3) ABOUT 0-1.6 MOLAR PARTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NON-POLYMERIZABLE DIBASIC CARBOXYLIC ACIDS AND ANHYDRIDES THEREOF; (B) ABOUT 15-68% BY WEIGHT OF A SOLVENT FOR SAID REACTION PRODUCT (A), SAID SOLVENT COMPRISING A MONOVINYL AROMATIC COMPOUND; AND (C) AS A REACTIVE FIRE-RETARDANT ADDITIVE, ABOUT 2-30% BY WEIGHT OF A COMPOUND OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |