US2918442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength heat-resistant neoprenephenolic adhesive cement
Assignee: 3M Co
•
Filing: 1959-10-27
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Granted: 1959-12-22
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Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jack A Gerrard
- 👤 Raymond C Mattson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:11
CPC Classifications
C; C09; C09J; C09J111/00; Y; Y10; Y10S; Y10S138/00; Y10S138/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A LIQUID RESINOUS ELASTOMERIC COATING COMPOSITION CAPABLE OF PROVIDING A TOUGH, FLEXIBLE, SHOCK-RESISTANT AND HEAT-RESISTANT, FIRMLY ADHERENT, DIRIED COATING ON A SMOOTH METAL SURFACE AND BEING A SMOOTH UNIFORM MIXTURE, IN A VOLATILE LIQUID ORAGAINIC SOLVENT, OF COMPONENTS CONSISTING ESSENTIALLY OF (1) ABOUT 50-200 PARTS BY WEIGHT OF POLYMERIZED CHLOROPRENE AND (2) THE INTER-REACTED MIXTURE OF (A) 100 PARTS OF OIL-SOLUBLE HEAT-HARDENING PHENNOL-ALDEHYDE RESINOUS CONDENSATION PRODUCT OF FORMALDEHYDE AND A SUBSTITUTED PHENOL COMPATIBLE WITH SAID POLYMER AND (B) ABOUT 10-200 PARTS OF MAGNESIUM OXIDE, PROVIDING A REACTION PRODUCT OF THE PHENOL-ALDEHYDE RESIN AND MAGNESIUM OXIDE WHICH IS NON-MELTING AT THE MELTING POINT OF SAID PHENOL-ALDEHYDE CONDENSATION PRODUCT.
Claim 2
Dependent Claim
107 words
A LIQUID RESINOUS ELASTOMERIC COATING COMPOSITION CAPABLE OF PROVIDING A TOUGH, FLEXIBLE, SHOCK-RESISTANT AND HEAT-RESISTANT, FIRMLY ADHERENT, DIRIED COATING ON A SMOOTH METAL SURFACE AND BEING A SMOOTH UNIFORM MIXTURE, IN A VOLATILE LIQUID ORAGAINIC SOLVENT, OF COMPONENTS CONSISTING ESSENTIALLY OF (1) ABOUT 50-200 PARTS BY WEIGHT OF POLYMERIZED CHLOROPRENE AND (2) THE INTER-REACTED MIXTURE OF (A) 100 PARTS OF OIL-SOLUBLE HEAT-HARDENING PHENNOL-ALDEHYDE RESINOUS CONDENSATION PRODUCT OF FORMALDEHYDE AND A SUBSTITUTED PHENOL COMPATIBLE WITH SAID POLYMER AND (B) ABOUT 10-200 PARTS OF MAGNESIUM OXIDE, PROVIDING A REACTION PRODUCT OF THE PHENOL-ALDEHYDE RESIN AND MAGNESIUM OXIDE WHICH IS NON-MELTING AT THE MELTING POINT OF SAID PHENOL-ALDEHYDE CONDENSATION PRODUCT.
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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |