US3329632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resin adhesives extended with carbon and causticized amylaceous materials
Assignee: Dow Chemical Co
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Filing: 1966-11-21
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Granted: 1967-07-04
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Bryner Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:32
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A LIQUID ADHESIVE COMPOSITION CONSISTING ESSENTIALLY OF: (A) ONE PART BY WEIGHT OF A WATER-SOLUBLE, THERMOSETTING, PHENOLIC RESIN OBTAINED BY PARTIALLY CONDENSING FROM ABOUT 1.8 TO ABOUT 3 ALDEHYDE EQUIVALENTS PER MOLE OF PHENOL, (B) FROM ABOUT 0.01 TO ABOUT 1 PART BY WEIGHT OF A WATER-DISPERSIBLE, CAUSTICIZED ORGANIC MATERIAL, (C) AT LEAST A MATERIAL PROPORTION UP TO ABOUT 3 PARTS BY WEIGHT OF A FINELY DIVIDED, SOLID, CARBON EXTENDER, SELECTED FROM THE GROUP CONSISTING OF THERMAL CARBON BLACKS AND ESSENTIALLY CARBONACEOUS MATERIALS COMPOSED MOSTLY OF CARBON IN THE FORM OF COMPLEX AROMATIC NUCLEI, (D) A CATALYTIC AMOUNT OF A BASIC ALKALI METAL CATALYST SUITABLE FOR INITIATING THE THERMOSETING REACTION OF THE RESIN, AND (E) SUFFICIENT WATER SUCH THAT THE TOTAL SOLID OF THE LIQUID ADHESIVE COMPOSITION IS WITHIN THE RANGE FROM ABOUT 35 TO ABOUT 65 PERCENT BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
17 words
A LIQUID ADHESIVE COMPOSITION AS IN CLAIM 7 WHEREIN THE CAUSTICIZED ORGANIC MATERIAL IS CAUSTICIZED WHEAT FLOUR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |