US3036994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable synthetic resin compositions from formaldehyde and phenolic compounds, and aprocess of curing same
Assignee: BASF SE
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Filing: 1959-03-20
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Granted: 1962-05-29
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Meyer Ferdinand
- 👤 Knobloch Horst Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:16
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/08; C08G8/00; C08G8/04; C08G8/08; C08G8/24; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CURABLE MIXTURE COMPRISING A CURABLE RESOLE (A) WHICH HAS BEEN PREPARED IN AN ALKALINE MEDIUM FROM A MIXTURE OF A COMPOUND (A1) SELECTED FROM THE GROUP CONSISTING OF NAPHTHYL-HYDROXYPHENYL METHANE, DIHYDRONAPHTHYL-HYDROXYPHENYL METHANE AND TETRAHHDROMAPHTHYLHYDROXYPHENYL METHANE AND (A2) PHENOL WHERE THE MOLAR RATIO OF SAID COMPOUND (A1) TO SAID PHENOL (A2) RANGE FROM 1:2 UP TO 1:10 AND WHICH CONTAINS FROM 0.6 TO 3 MOLS OF FORMALDEHYDE PER 1 MOL OF THE PHENOLIC HYDROXYL GROUPS, AND AN ORGANIC COMPOUND (B) WHICH ENTERS THE COMPOSISTION CHEMICALLY DURING THE CURING OF THE RESOLE (A), SAID COMPOUND (B) BEING SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL ETHERS, ALKYLENE CHLORHYDRINS, DICHLORBUTYLENE OXIDE, STYRENE OXIDE AND EPICHLODRHYDRINS SAID COMPOUND (B) BEARING IN THE MOLECULE LEAST ONE RADICAL OF THE GROUP CONSISTING OF A,B-CHLORHYDRIN GROUPS AND 1,2-EPOXIDE GROUPS, THERE BEING USED 2 TO 50 PARTS BY WEIGHT OF COMPOUND (B) FOR EVERY 100 PARTS OF RESOLE (A).
Claim 2
Dependent Claim
151 words
A CURABLE MIXTURE COMPRISING A CURABLE RESOLE (A) WHICH HAS BEEN PREPARED IN AN ALKALINE MEDIUM FROM A MIXTURE OF A COMPOUND (A1) SELECTED FROM THE GROUP CONSISTING OF NAPHTHYL-HYDROXYPHENYL METHANE, DIHYDRONAPHTHYL-HYDROXYPHENYL METHANE AND TETRAHHDROMAPHTHYLHYDROXYPHENYL METHANE AND (A2) PHENOL WHERE THE MOLAR RATIO OF SAID COMPOUND (A1) TO SAID PHENOL (A2) RANGE FROM 1:2 UP TO 1:10 AND WHICH CONTAINS FROM 0.6 TO 3 MOLS OF FORMALDEHYDE PER 1 MOL OF THE PHENOLIC HYDROXYL GROUPS, AND AN ORGANIC COMPOUND (B) WHICH ENTERS THE COMPOSISTION CHEMICALLY DURING THE CURING OF THE RESOLE (A), SAID COMPOUND (B) BEING SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL ETHERS, ALKYLENE CHLORHYDRINS, DICHLORBUTYLENE OXIDE, STYRENE OXIDE AND EPICHLODRHYDRINS SAID COMPOUND (B) BEARING IN THE MOLECULE LEAST ONE RADICAL OF THE GROUP CONSISTING OF A,B-CHLORHYDRIN GROUPS AND 1,2-EPOXIDE GROUPS, THERE BEING USED 2 TO 50 PARTS BY WEIGHT OF COMPOUND (B) FOR EVERY 100 PARTS OF RESOLE (A).
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |