US2935372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing shaped bodies by combining reactive intermediates, at least one of which intermediates is in the vapor phase
Assignee: EIDP Inc
•
Filing: 1955-02-21
•
Granted: 1960-05-03
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Steuber Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:40
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS WHICH COMPRISES FORMING A SOLID SHAPED BODY OF CONTINUOUS CROSS SECTION BY COMBINING AT LEAST TWO COMPLEMENTARY REACTIVE INTERMEDIATES, ONE OF WHICH CONTAINS AT LEAST TWO ACTIVE HYDROGENS, MORE REACTIVE THAN ALCOHOLIC HYDROGEN, WHEREAS ITS COMPLEMENT CONTAINS AT LEAST TWO REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF A GROUP CAPABLE OF REACTING WITH ALCOHOL AT ROOM TEMPERATURE TO FORM AN ESTER, THE METHYL OXALATE GROUP AND THE PHENYL OXALATE GROUP AND AT LEAST ONE OF THE SAID COMPLEMENTARY REACTIVE POLYMER INTERMEDIATES BEING A MULTIFUNCTIONAL ORGANIC MACROMOLECULE OF RECURRING UNITS AND AT LEAST ONE OF THE SAID COMPLEMENTARY INTERMEDIATES BEING MONOMERIC AND VAPOROUS, THE COMBINATION
Claim 2
Dependent Claim
107 words
A PROCESS WHICH COMPRISES FORMING A SOLID SHAPED BODY OF CONTINUOUS CROSS SECTION BY COMBINING AT LEAST TWO COMPLEMENTARY REACTIVE INTERMEDIATES, ONE OF WHICH CONTAINS AT LEAST TWO ACTIVE HYDROGENS, MORE REACTIVE THAN ALCOHOLIC HYDROGEN, WHEREAS ITS COMPLEMENT CONTAINS AT LEAST TWO REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF A GROUP CAPABLE OF REACTING WITH ALCOHOL AT ROOM TEMPERATURE TO FORM AN ESTER, THE METHYL OXALATE GROUP AND THE PHENYL OXALATE GROUP AND AT LEAST ONE OF THE SAID COMPLEMENTARY REACTIVE POLYMER INTERMEDIATES BEING A MULTIFUNCTIONAL ORGANIC MACROMOLECULE OF RECURRING UNITS AND AT LEAST ONE OF THE SAID COMPLEMENTARY INTERMEDIATES BEING MONOMERIC AND VAPOROUS, THE COMBINATION
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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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |