US2630420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition
Assignee: Wingfoot Corp
•
Filing: 1949-11-26
•
Granted: 1953-03-03
•
Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
C; C09; C09J; C09J109/00; C09J109/02; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A CEMENT COMPRISING A RUBBERY BUTADIENEACRYLONITRILE COPOLYMER AND A KETONE-SOLUBLE RESIN RESULTING FROM THE REACTION OF PHENOL, FORMALDEHYDE AND ANILINE IN WHICH FORMALDEHYDE IS PRESENT IN AN AMOUNT BETWEEN .84 TO 1.15 MOLS PER MOL OF THE COMBINED PHENOL AND ANILINE AND IN WHICH 1 MOL OF ANILINE IS PRESENT PER MOL OF PHENOL, THE RATIO OF RUBBERY COPOLYMER TO THE RESIN RANGING FROM 15/85 TO 85/15.
Claim 2
Dependent Claim
67 words
A CEMENT COMPRISING A RUBBERY BUTADIENEACRYLONITRILE COPOLYMER AND A KETONE-SOLUBLE RESIN RESULTING FROM THE REACTION OF PHENOL, FORMALDEHYDE AND ANILINE IN WHICH FORMALDEHYDE IS PRESENT IN AN AMOUNT BETWEEN .84 TO 1.15 MOLS PER MOL OF THE COMBINED PHENOL AND ANILINE AND IN WHICH 1 MOL OF ANILINE IS PRESENT PER MOL OF PHENOL, THE RATIO OF RUBBERY COPOLYMER TO THE RESIN RANGING FROM 15/85 TO 85/15.
References Cited (Backward Citations)
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Cited
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GB607268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |