Patent FR1236802A successfully refreshed from Google Patents.
Patent US3352744A successfully refreshed from Google Patents.
US3352744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing phenolic resin compositions and laminates prepared therefrom
Assignee: Monsanto Co
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Filing: 1965-05-21
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Granted: 1967-11-14
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Elmer Curtis
- 👤 Jerome J Mestdagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:50
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31967; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A FLAME RETARDANT LAMINATE CONSISTING OF AT LEAST 2 SHEETS OF CELLULOSIC PAPER IMPREGNATED WITH 25-75 WEIGHT PERCENT OF A PHENOLIC RESIN SYSTEM BASED ON THE WEIGHT OF THE CELLULOSIC PAPER AND WHEREIN THE PHENOLIC RESIN SYSTEM HAS BEEN ADVANCED TO AN INFUSIBLE STATE; SAID PHENOLIC RESIN SYSTEM CONSISTING OF IN ADMIXTURE (1) A PHENOLIC RESIN PREPARED BY THE PROCESS OF (A) REACTING 100 PARTS BY WEIGHT OF A PHENOL WITH 5-70 PARTS BY WEIGHT OF STYRENE AT 25-145*C. UNDER ACIDIC CONDITIONS; (B) REACTING THE PRODUCT OF STEP (A) WITH 10-150 PARTS BY WEIGHT OF A VEGETABLE DRYING OIL AT 150-180*C. UNDER ACIDIC CONDITIONS; AND (C) REACTING THE PRODUCT OF STEP (B) WITH ABOUT 15-55 PARTS BY WEIGHT OF AN ALDEHYDE AT 70-100*C. UNDER BASIC CONDITIONS, AND (2) 5-60 WEIGHT PERCENT BASED ON THE WEIGHT OF (1) OF A CHLORINATED POLYPHENYL HAVING NO FLASH POINT BELOW ITS BOILING POINT AND (3) 3-40 WEIGHT PERCENT BASED ON THE WEIGHT OF (1) OF A PHOSPHATE OF THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
168 words
A FLAME RETARDANT LAMINATE CONSISTING OF AT LEAST 2 SHEETS OF CELLULOSIC PAPER IMPREGNATED WITH 25-75 WEIGHT PERCENT OF A PHENOLIC RESIN SYSTEM BASED ON THE WEIGHT OF THE CELLULOSIC PAPER AND WHEREIN THE PHENOLIC RESIN SYSTEM HAS BEEN ADVANCED TO AN INFUSIBLE STATE; SAID PHENOLIC RESIN SYSTEM CONSISTING OF IN ADMIXTURE (1) A PHENOLIC RESIN PREPARED BY THE PROCESS OF (A) REACTING 100 PARTS BY WEIGHT OF A PHENOL WITH 5-70 PARTS BY WEIGHT OF STYRENE AT 25-145*C. UNDER ACIDIC CONDITIONS; (B) REACTING THE PRODUCT OF STEP (A) WITH 10-150 PARTS BY WEIGHT OF A VEGETABLE DRYING OIL AT 150-180*C. UNDER ACIDIC CONDITIONS; AND (C) REACTING THE PRODUCT OF STEP (B) WITH ABOUT 15-55 PARTS BY WEIGHT OF AN ALDEHYDE AT 70-100*C. UNDER BASIC CONDITIONS, AND (2) 5-60 WEIGHT PERCENT BASED ON THE WEIGHT OF (1) OF A CHLORINATED POLYPHENYL HAVING NO FLASH POINT BELOW ITS BOILING POINT AND (3) 3-40 WEIGHT PERCENT BASED ON THE WEIGHT OF (1) OF A PHOSPHATE OF THE GROUP CONSISTING OF:
References Cited (Backward Citations)
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |