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US2963459A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal borhoydride catalysts for aqueous emulsion polymerizations

Assignee: Uniroyal Inc
•
Filing: 1957-11-18
•
Granted: 1960-12-06
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Expires: 1977-11-18
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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 21:15
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.

References Cited (Backward Citations)

US2717248A Cited
US2699457A Cited
US2685575A Cited
US2686775A Cited
US2728757A Cited
US2822357A Cited
US2775578A Cited
GB783744A Cited

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

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