US3056754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizable composition comprising rubber and a resinous complex reaction product of a phenol-formaldehyde condensate and a metal chloride, and process for vulcanizing same
Assignee: Hoechst AG Werk Kalle Albert
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Filing: 1959-08-18
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Granted: 1962-10-02
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Expires: 1979-08-18
Abstract
No abstract record available.
Inventors
- 👤 Giller Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
C; C08; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A PROCES OF VULCANIZING ELASTOMER COMPOSITION OF RUBBERS SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND RUBBERY COPOLYMERS OF CONJUGATED DIOLEFINS WITH MONOETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMERS, THE IMPROVEMENT WHICH COMPRISES INCORPORATING INTO SAID ELASTOMER COMPOSITIONS AS A SOLE VULCANIZING AGENT A RESINOUS COMPLEX REACTION PRODUCT FORMED FROM (1) A CONDENSATION PRODUCT OF FORMALDEHYDE WITH A PHENOL SUBSTITUTED BY A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL, AND (2) AN ANSOLVO-ACID-FORMING METAL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDES OF TIN, IRON, ZINC AND ALUMINUM.
Claim 2
Dependent Claim
93 words
IN A PROCES OF VULCANIZING ELASTOMER COMPOSITION OF RUBBERS SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND RUBBERY COPOLYMERS OF CONJUGATED DIOLEFINS WITH MONOETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMERS, THE IMPROVEMENT WHICH COMPRISES INCORPORATING INTO SAID ELASTOMER COMPOSITIONS AS A SOLE VULCANIZING AGENT A RESINOUS COMPLEX REACTION PRODUCT FORMED FROM (1) A CONDENSATION PRODUCT OF FORMALDEHYDE WITH A PHENOL SUBSTITUTED BY A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL, AND (2) AN ANSOLVO-ACID-FORMING METAL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDES OF TIN, IRON, ZINC AND ALUMINUM.
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |