US3310503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-retarding curable mixtures
Assignee: BASF Schweiz AG
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Filing: 1962-07-09
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Granted: 1967-03-21
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Huwyler Rene
- 👤 Aenishaenslin Rudolf
- 👤 Porret Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/304; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C08G59/14; C08G59/1433; C08G59/1488; C08G59/24; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A PROCESS FOR THE PREPARATION OF A HARDENED EPOXY RESIN PRODUCT WHICH COMPRISES CONTACTING A COMPOSITION CONSISTING ESSENTIALLY OF (I) A COMPONENT SELECTED FROM THE GROUP CONSISTING OF (1) A MIXTURE OF (A) A 1,2-EPOXY COMPOUND HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF DIALKYL PHOSPHITE AND DIALKENYL PHOSPHITE AND (2) THE REACTION PRODUCT OBTAINED BY HEATING AT 100-200*C. (A) A 1,2EPOXY COMPOUND HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF DIALKYL PHOSPHITE AND DIALKENYL PHOSPHITE AND (II) A 1,2-EPOXY COMPOUND FREE FROM PHOSPHORUS HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE; COMPONENT (I) BEING PRESENT IN AN AMOUNT OF AT LEAST 25% BY WEIGHT CALCULATED ON THE TOTAL WEIGHT OF 1,2-EPOXY COMPOUND PRESENT AND COMPONENT (II) BEING PRESENT IN AN AMOUNT FROM 0-75% BY WEIGHT CALCULATED ON THE TOTAL AMOUNT OF 1,2-EPOXY COMPOUND PRESENT WITH (III) A CURING AGENT FOR EPOXY 1,2-EPOXY COMPOUNDS HAVING A 1,2EPOXY EQUIVALENT GREATER THAN ONE.
Claim 2
Dependent Claim
168 words
A PROCESS FOR THE PREPARATION OF A HARDENED EPOXY RESIN PRODUCT WHICH COMPRISES CONTACTING A COMPOSITION CONSISTING ESSENTIALLY OF (I) A COMPONENT SELECTED FROM THE GROUP CONSISTING OF (1) A MIXTURE OF (A) A 1,2-EPOXY COMPOUND HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF DIALKYL PHOSPHITE AND DIALKENYL PHOSPHITE AND (2) THE REACTION PRODUCT OBTAINED BY HEATING AT 100-200*C. (A) A 1,2EPOXY COMPOUND HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF DIALKYL PHOSPHITE AND DIALKENYL PHOSPHITE AND (II) A 1,2-EPOXY COMPOUND FREE FROM PHOSPHORUS HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE; COMPONENT (I) BEING PRESENT IN AN AMOUNT OF AT LEAST 25% BY WEIGHT CALCULATED ON THE TOTAL WEIGHT OF 1,2-EPOXY COMPOUND PRESENT AND COMPONENT (II) BEING PRESENT IN AN AMOUNT FROM 0-75% BY WEIGHT CALCULATED ON THE TOTAL AMOUNT OF 1,2-EPOXY COMPOUND PRESENT WITH (III) A CURING AGENT FOR EPOXY 1,2-EPOXY COMPOUNDS HAVING A 1,2EPOXY EQUIVALENT GREATER THAN ONE.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |