Patent US2708192A successfully refreshed from Google Patents.
US2708192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making adhesive composition containing a diene rubber and a phenolic resin
Assignee: 3M Co
•
Filing: 1952-05-21
•
Granted: 1955-05-10
•
Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Joesting
- 👤 Dolores O Ethier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:06
CPC Classifications
C; C09; C09J; C09J121/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/16; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2857; Y10T428/2874; Y10T428/2878; Y10T428/2883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF MAKING AN ADHESIVE COMPOSITION WHICH COMPRISES THE STEPS OF: (1) BLENDING TOGETHER A VULCANIZABLE RUBBERY DIENE POLYMER AND AN OIL-SOLUBLE HEAT-ADVANCING, PHENOL-ALDEHYDE RESIN COMPATIBLE THEREWITH; (2) HEATING THE BLEND WITHOUT CONCURRENT MIXING UNTIL COMPLETION OF THE REACTION; AND (3) MASTICATING THE MIXTURE IN THE PRESENCE OF A SMALL AMOUNT OF ADMIXED COMPATIBLE TACKIFIED RESIN UNTIL THE MASS IS SMOOTHLY DISPERSIBLE IN HEPTANE.
Claim 2
Independent Claim
65 words
THE METHOD OF MAKING AN ADHESIVE COMPOSITION WHICH COMPRISES THE STEPS OF: (1) BLENDING TOGETHER A VULCANIZABLE RUBBERY DIENE POLYMER AND AN OIL-SOLUBLE HEAT-ADVANCING, PHENOL-ALDEHYDE RESIN COMPATIBLE THEREWITH; (2) HEATING THE BLEND WITHOUT CONCURRENT MIXING UNTIL COMPLETION OF THE REACTION; AND (3) MASTICATING THE MIXTURE IN THE PRESENCE OF A SMALL AMOUNT OF ADMIXED COMPATIBLE TACKIFIED RESIN UNTIL THE MASS IS SMOOTHLY DISPERSIBLE IN HEPTANE.
References Cited (Backward Citations)
US2559990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |