US2560694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bromate ion-sulfoxy compound catalyst system in aqueous polymerization process
Assignee: EIDP Inc
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Filing: 1950-07-15
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Granted: 1951-07-17
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Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward G Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:01
CPC Classifications
C; C08; C08F; C08F4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN ADDITION POLYMERIZATION OF MONOMERS SUBJECT TO ADDITION POLYMERIZATION BY REASON OF A NON- AROMATIC CARBON-CARBON DOUBLE BOND, THE IMPROVEMENT WHEREIN SAID MONOMER IS POLYMERIZED BY BRINGING THE SAME IN CONTACT, IN AQUEOUS DISPERSION, WITH BROMATE ION AND, IN MOLAR EXCESS OF SAID ION, A WATER SOLUBLE, OXIDIZABLE SULFOXY COMPOUND OF THE CLASS CONSISTING OF INORGANIC BISULFITES, ALIPHATIC ALDEHYDE BISULFITE ADDUCTS, SULFINITES, INORGANIC THIOSULFATES, AND SULFOXYLATES.
Claim 2
Dependent Claim
66 words
IN ADDITION POLYMERIZATION OF MONOMERS SUBJECT TO ADDITION POLYMERIZATION BY REASON OF A NON- AROMATIC CARBON-CARBON DOUBLE BOND, THE IMPROVEMENT WHEREIN SAID MONOMER IS POLYMERIZED BY BRINGING THE SAME IN CONTACT, IN AQUEOUS DISPERSION, WITH BROMATE ION AND, IN MOLAR EXCESS OF SAID ION, A WATER SOLUBLE, OXIDIZABLE SULFOXY COMPOUND OF THE CLASS CONSISTING OF INORGANIC BISULFITES, ALIPHATIC ALDEHYDE BISULFITE ADDUCTS, SULFINITES, INORGANIC THIOSULFATES, AND SULFOXYLATES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |