US3331730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizate of phenolic resins esterified with unsaturated monocarboxylic acids andlaminates therefrom
Assignee: Hooker Chemical Corp
•
Filing: 1966-05-31
•
Granted: 1967-07-18
•
Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Claude Thomas Bean
- 👤 Donald H Thorpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:02
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; B; B32; B32B; B32B27/00; C08G8/04; C08G8/08; C08G8/20; C08G8/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31678; Y10T428/31688; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3577; Y10T442/60; Y10T442/659
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR PREPARING A POLYMER COMPRISING REACTING TOGETHER, TO PRODUCE A THERMOPLASTIC ESTER DERIVATIVE, COMPONENTS COMPRISING (1) A FUSIBLE, ORGANIC SOLVENT SOLUBLE CONDENSATION PRODUCT OF A PHENOL AND AN ALDEHYDE CONTAINING CONDENSATE UNITS HAVING REACTIVE PHENOLIC HYDROXY GROUPS, AND AN AVERAGE OF AT LEAST THREE PHENOLIC NUCLEI, AND (2) A COMPOUND REACTIVE WITH THE PHENOLIC HYDROXYL GROUPS SELECTED FROM THE GROUP CONSISTING OF THE ANHYDRIDES AND ACID HALIDES OF ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACIDS HAVING A CARBON CHAIN OF NOT MORE THAN SIX CARBON ATOMS AND MIXTURES THEREOF, SAID COMPOUND BEING REACTED WITH MORE THAN ONE HYDROXYL GROUP IN EACH CONDENSATE UNIT, AND THE CONDENSATE UNITS OF THE RESULTANT CONDENSATION PRODUCT CONTAINING AT LEAST ONE ISOLATED ADDITION-POLYMERIZABLE CARBON-CARBON DOUBLE BOND.
Claim 2
Dependent Claim
120 words
A PROCESS FOR PREPARING A POLYMER COMPRISING REACTING TOGETHER, TO PRODUCE A THERMOPLASTIC ESTER DERIVATIVE, COMPONENTS COMPRISING (1) A FUSIBLE, ORGANIC SOLVENT SOLUBLE CONDENSATION PRODUCT OF A PHENOL AND AN ALDEHYDE CONTAINING CONDENSATE UNITS HAVING REACTIVE PHENOLIC HYDROXY GROUPS, AND AN AVERAGE OF AT LEAST THREE PHENOLIC NUCLEI, AND (2) A COMPOUND REACTIVE WITH THE PHENOLIC HYDROXYL GROUPS SELECTED FROM THE GROUP CONSISTING OF THE ANHYDRIDES AND ACID HALIDES OF ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACIDS HAVING A CARBON CHAIN OF NOT MORE THAN SIX CARBON ATOMS AND MIXTURES THEREOF, SAID COMPOUND BEING REACTED WITH MORE THAN ONE HYDROXYL GROUP IN EACH CONDENSATE UNIT, AND THE CONDENSATE UNITS OF THE RESULTANT CONDENSATION PRODUCT CONTAINING AT LEAST ONE ISOLATED ADDITION-POLYMERIZABLE CARBON-CARBON DOUBLE BOND.
References Cited (Backward Citations)
US2129685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |