US2699431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing a rubber and an acetone formaldehyde resin
Assignee: Harvel Research Corp
•
Filing: 1951-06-19
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Granted: 1955-01-11
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Expires: 1971-06-19
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
- 👤 Peter L Rosamilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:52
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/10; C08L; C08L21/00; C08J2321/00; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A NOVEL COMPOSITION COMPRISING A RUBBERY MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYMERIZED CHLOROPRENE. COPOLYMERS OF BUTADIENE AND STYRENE AND COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, WATER SOLUBLE ACETONE-FORMALDEHYDE ORGANIC REACTION PRODUCT AND RESORCINOL.
Claim 2
Dependent Claim
36 words
A NOVEL COMPOSITION COMPRISING A RUBBERY MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYMERIZED CHLOROPRENE. COPOLYMERS OF BUTADIENE AND STYRENE AND COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, WATER SOLUBLE ACETONE-FORMALDEHYDE ORGANIC REACTION PRODUCT AND RESORCINOL.
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) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |