US3056170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing polymeric structures
Assignee: EIDP Inc
•
Filing: 1962-01-18
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Granted: 1962-10-02
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hendricks
- 👤 Osborn Kenton Revay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:06
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; D; D01; D01F; D01F6/00; D01F6/02; D01F6/18; D01F6/28; D01F6/38; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PREPARING POLYMERIC STRUCTURES WHICH COMPRISES THE STEPS, IN SEQUENCE, OF MIXING 17-73 MOLE PERCENT WATER, 2-35 MOLE PERCENT OF A HALIDE SELECTED FROM THE GROUP CONSISTING OF CHLORIDES, BROMIDES AND IODIDES OF CALCIUM, ZINC, STRONTIUM AND CADMIUM AND BROMIDES AND IODIDES OF LITHIUM, SODIUM AND POTASSIUM AND 15-70 MOLE PERCENT OF AT LEAST ONE POYMERIZABLE MONOMER, SAID MONOMER COMPOSED OF 75-100% BY WEIGHT OF ACRYLONITRILE AND THE REMAINDER BEING AN ETHYLENICALLY UNSATURATED MON-
Claim 2
Dependent Claim
76 words
A PROCESS FOR PREPARING POLYMERIC STRUCTURES WHICH COMPRISES THE STEPS, IN SEQUENCE, OF MIXING 17-73 MOLE PERCENT WATER, 2-35 MOLE PERCENT OF A HALIDE SELECTED FROM THE GROUP CONSISTING OF CHLORIDES, BROMIDES AND IODIDES OF CALCIUM, ZINC, STRONTIUM AND CADMIUM AND BROMIDES AND IODIDES OF LITHIUM, SODIUM AND POTASSIUM AND 15-70 MOLE PERCENT OF AT LEAST ONE POYMERIZABLE MONOMER, SAID MONOMER COMPOSED OF 75-100% BY WEIGHT OF ACRYLONITRILE AND THE REMAINDER BEING AN ETHYLENICALLY UNSATURATED MON-
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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 |