US3268460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive and method of making the same
Assignee: Hercules Powder Co
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Filing: 1961-12-28
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Granted: 1966-08-23
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 John F Miller
- 👤 Jack R Mcclary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:24
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
81 words
THE METHOD OF MAKING ADHESIVE WHICH COMPRISES HEATING AND THEREBY PARTIALLY CONDENSING PHENOL AND ALDEHYDE IN THE PROPORTION OF 1.85 TO 2.2 MOLES OF ALDEHYDE TO ONE OF PHENOL IN THE PRESENCE OF ALKALI, MIXING THE PARTIALLY CONDENSED PHENOL AND ALDEHYDE WITH FLOUR EXTENDER HAVING AN AFFINITY FOR SUCH PARTIALLY CONDENSED PHENOL-ALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF BARK AND PEANUT SHELLS, AND HEATING SUCH EXTENDER AND PHENOL-ALDEHYDE RESIN TO A TEMPERATURE OF AT LEAST 150*F. TO EFFCT FURTHER CONDENSATION.
Claim 2
Independent Claim
81 words
THE METHOD OF MAKING ADHESIVE WHICH COMPRISES HEATING AND THEREBY PARTIALLY CONDENSING PHENOL AND ALDEHYDE IN THE PROPORTION OF 1.85 TO 2.2 MOLES OF ALDEHYDE TO ONE OF PHENOL IN THE PRESENCE OF ALKALI, MIXING THE PARTIALLY CONDENSED PHENOL AND ALDEHYDE WITH FLOUR EXTENDER HAVING AN AFFINITY FOR SUCH PARTIALLY CONDENSED PHENOL-ALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF BARK AND PEANUT SHELLS, AND HEATING SUCH EXTENDER AND PHENOL-ALDEHYDE RESIN TO A TEMPERATURE OF AT LEAST 150*F. TO EFFCT FURTHER CONDENSATION.
Claim 3
Dependent Claim
10 words
THE ADHESIVE OBTAINED BY THE METHOD DEFINED IN CLAIM 1.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |