US2963459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal borhoydride catalysts for aqueous emulsion polymerizations
Assignee: Uniroyal Inc
•
Filing: 1957-11-18
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Granted: 1960-12-06
•
Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Nicholson Isadore
- 👤 Louis H Howland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:29
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD WHICH COMPRISES POLYMERIZING AT -20* C. TO 1000*C. 100 PARTS OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINES WHICH CONTAIN A CH2= C< GROUP SAID MONOOLEFINES BEING SELECTED FROM THE GROUP CONSISTING OF ARYL OLEFINES, ALPHA METHYLENE CARBOXYLIC ACIDS AND THEIR ESTERS, NITRILES AND AMIDES, HALOGENATED ETHYLENES, ALKYL VINYL ETHERS, ALKYL VINYL LETONES, AND VINYL PYRIDINES, AND BUTADIENES-1.3 IN AQUEOUS EMULSION IN 50 TO 300 PART WATER IN THE PRESENCE OF A CATALYST CONSISTING OF 0.1 TO 10 PARTS OF METAL BOROHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI-METAL ALKALINE-EARTH METAL, MAGNESIUM, THORIUM, MERCURY, GOLD AND LEAD BOROHYDRIDES.
Claim 2
Independent Claim
101 words
THE METHOD WHICH COMPRISES POLYMERIZING AT -20* C. TO 1000*C. 100 PARTS OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINES WHICH CONTAIN A CH2= C< GROUP SAID MONOOLEFINES BEING SELECTED FROM THE GROUP CONSISTING OF ARYL OLEFINES, ALPHA METHYLENE CARBOXYLIC ACIDS AND THEIR ESTERS, NITRILES AND AMIDES, HALOGENATED ETHYLENES, ALKYL VINYL ETHERS, ALKYL VINYL LETONES, AND VINYL PYRIDINES, AND BUTADIENES-1.3 IN AQUEOUS EMULSION IN 50 TO 300 PART WATER IN THE PRESENCE OF A CATALYST CONSISTING OF 0.1 TO 10 PARTS OF METAL BOROHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI-METAL ALKALINE-EARTH METAL, MAGNESIUM, THORIUM, MERCURY, GOLD AND LEAD BOROHYDRIDES.
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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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |