US3097195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of acetylene compounds
Assignee: Wyeth Holdings LLC
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Filing: 1960-12-16
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Granted: 1963-07-09
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 George W Kennerly
- 👤 David S Hoffenberg
- 👤 George C Gleckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:39
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD OF POLYMERIZING A POLYMERIZABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) ACETYLENE AND (2) MIXTURES OF (A) ACETYLENE AND (B) AT LEAST ONE OTHER UNSATURATED ORGANIC MATERIAL WHICH IS COPOLYMERIZABLE WITH ACETYLENE AND CONTAINS AT LEAST ONE DOUBLE BOND, SAID POLYMERIZATION BEING CARRIED OUT AT A TEMPERATURE OF AT LEAST 40*C. IN AN INERT ORGANIC LIQUID MEDIUM WITH THE AID OF A POLYMERIZATION CATALYST SYSTEM CONSISTING SOLELY OF BOTH (A) AT LEAST ONE SALT OF THE GROUP CONSISTING OF NICKEL SALTS AN COBALT SALTS, AND (B) AT LEAST ONE SUBSTANCE OF THE GROUP CONSISTING OF THE ALKALI METALS AND THE ALKALI-METAL ACETYLIDES.
Claim 2
Independent Claim
105 words
THE METHOD OF POLYMERIZING A POLYMERIZABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) ACETYLENE AND (2) MIXTURES OF (A) ACETYLENE AND (B) AT LEAST ONE OTHER UNSATURATED ORGANIC MATERIAL WHICH IS COPOLYMERIZABLE WITH ACETYLENE AND CONTAINS AT LEAST ONE DOUBLE BOND, SAID POLYMERIZATION BEING CARRIED OUT AT A TEMPERATURE OF AT LEAST 40*C. IN AN INERT ORGANIC LIQUID MEDIUM WITH THE AID OF A POLYMERIZATION CATALYST SYSTEM CONSISTING SOLELY OF BOTH (A) AT LEAST ONE SALT OF THE GROUP CONSISTING OF NICKEL SALTS AN COBALT SALTS, AND (B) AT LEAST ONE SUBSTANCE OF THE GROUP CONSISTING OF THE ALKALI METALS AND THE ALKALI-METAL ACETYLIDES.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |