US3036138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber containing a condensation product of a phenolic derivative with dicyclopentadiene as an antioxidant
Assignee: Compagnie Francaise des Matieres Colorantes SARL
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Filing: 1960-02-02
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Granted: 1962-05-22
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Expires: 1980-02-02
Abstract
No abstract record available.
Inventors
- 👤 Mingasson Georges Raymon Henry
- 👤 Alicot Michel Jean Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:10
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/215; C08; C08K; C08K5/00; C08K5/04; C08K5/13; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF RUBBER AND, AS AN ANTIOXIDANT, A PHENOLIC DERIVATIVE OBTAINED BY THE CONDENSATION OF ONE MOLECULE OF DICYCLOPENTADIENE WITH AT LEAST ONE MOLECULE OF A PHENOL THE NUCLEUS OF WHICH IS SUBSTITUTED BY MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HALOGEN ATOMS, SATURATED AND UNSATURATED HYDROCARBON GROUPS AND ALKOXY GROUPS, ONE AT LEAST OF THE 2-, 4-, AND 6-POSITONS BEING OCCUPIED BY A HYDROGEN ATOM UNDER CONDITIONS SUCH THAT THE DICYCLOPENTADIENE IS NOT DEPOLYMERISED.
Claim 2
Dependent Claim
82 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF RUBBER AND, AS AN ANTIOXIDANT, A PHENOLIC DERIVATIVE OBTAINED BY THE CONDENSATION OF ONE MOLECULE OF DICYCLOPENTADIENE WITH AT LEAST ONE MOLECULE OF A PHENOL THE NUCLEUS OF WHICH IS SUBSTITUTED BY MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HALOGEN ATOMS, SATURATED AND UNSATURATED HYDROCARBON GROUPS AND ALKOXY GROUPS, ONE AT LEAST OF THE 2-, 4-, AND 6-POSITONS BEING OCCUPIED BY A HYDROGEN ATOM UNDER CONDITIONS SUCH THAT THE DICYCLOPENTADIENE IS NOT DEPOLYMERISED.
References Cited (Backward Citations)
US2385787A
Cited
US2871136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |