Patent US2764172A successfully refreshed from Google Patents.
US2862897A
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Adhesive composition comprising phenol aldehyde resin and hydroxyalkylcellulose and method of preparing same
Assignee: Reichhold Chemicals Inc
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Filing: 1954-09-16
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Granted: 1958-12-02
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Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Barrentine
- 👤 Theodore S Hodgins
- 👤 Frederic J Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:33
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G8/02; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN ADHESIVE COMPOSITION SUITABLE FOR PLYWOOD MANUFACTURE COMPRISING PREDOMINANTLY A LOW MOLECULAR WEIGHT AQUEOUS ALKALINE THERMOSETTING PHENOL FORMALDEHDE RESIN AND A THICKENING AGENT COMPOSED OF A RELATIVELY SMALL PROPORTION OF A HYDROXALKYLCELLULULOSE WITHIN THE RANGE OF 0.5 TO .33 PART OF HYDROXYALKYL CELLULOSE PER 100 PARTS OF 50% NON-VOLATILE CONTENT PHENOLIC RESIN, ADDED DURING THE PREPARATION OF THE RESIN, THE CONDENSATION REACTION BEING CONTINUED TO A STAGE SHORT OF SOLIDIFICATION OF THE MASS WHEN COOLED TO 25*C.
Claim 2
Dependent Claim
77 words
AN ADHESIVE COMPOSITION SUITABLE FOR PLYWOOD MANUFACTURE COMPRISING PREDOMINANTLY A LOW MOLECULAR WEIGHT AQUEOUS ALKALINE THERMOSETTING PHENOL FORMALDEHDE RESIN AND A THICKENING AGENT COMPOSED OF A RELATIVELY SMALL PROPORTION OF A HYDROXALKYLCELLULULOSE WITHIN THE RANGE OF 0.5 TO .33 PART OF HYDROXYALKYL CELLULOSE PER 100 PARTS OF 50% NON-VOLATILE CONTENT PHENOLIC RESIN, ADDED DURING THE PREPARATION OF THE RESIN, THE CONDENSATION REACTION BEING CONTINUED TO A STAGE SHORT OF SOLIDIFICATION OF THE MASS WHEN COOLED TO 25*C.
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |