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US2970975A Expired / Lapsed US ⏱️ 0.0 years remaining

Activator system for synthetic rubber polymerization

Assignee: Goodrich Corp
•
Filing: 1958-09-22
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Granted: 1961-02-07
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Expires: 1978-09-22
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Abstract

No abstract record available.

Inventors

  • 👤 William N Maclay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:27
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
THE LOW TERPERATURE POLYMERIZATION OF AN AQUEOUS EMULSION SYSTEM CONTAINING 100 PARTS POLYMERIZABLE SYNTHETIC RUBBER-FORMING MONOMERS SELECTED FROM THE GROUP CONSISTING OF CONJUGATED BUTADIENE-1,3 HYDROCARBONS AND MIXTURES OF SAID HYDROCARBONS WITH COMPOUNDS WHICH CONTAIN SINGLE CH2=C< GROUP AND ARE COPOLY MERIZABLE WITH SAID HYDROCARBONS AND CONTAINING 0.02 TO 2.0 PARTS OF AN ORGANIC PEROXIDE CATALYST, FROM 1.0 TO 10.0 PARTS OF A MIXED FATTY ACID/ROSIN ACID EMULSIFIER, AND AN ACTIVATOR SELECTED FROM THE GROUP OF CONSISTUNG OF DISODIUM FERROUS ETHYLENEDIAMINE TETRAACETATE, MONOSODIUM FERRIC ETHYLENEDIAMINE TETRAACETATE, AND COMBINATIONS OF INORGANIC FERROUS AND FERRIC SALTS WITH A SEQUESTERING AGENT SELECTED FROM THE GROUP CONSISTING OF TETRASODIUM ETHYLENEDIAMINE TETRAACETATE, 90% TETRASODIUM ETHYLENEDIAMINE TETRAACETATE/10% DIHYDROXYETHYLGLYCINE, AND EQUIMOLAR MIXED TRISODIUM HYDROXYETHYLENEDIAMINE TRIAETATE/SODIUM GLUCONATE, SAID ACTIVATOR CONTAINING FROM 0.0002 RO 0.008 PART OF SEQUESTED IRON, AND, IN ADDITION, FROM 0.02 TO 2.0 PARTS OF MIXTURE CONSISTING OF 15 TO 70 MOLAL PERCENT SODIUM BENEZALDEHYDE SULFOXYLATE AND 85 TO 30 MOLAL PERCENT SODIUM FORMALDEHYDE SULFOXYLATE.
Claim 2
Dependent Claim 158 words
THE LOW TERPERATURE POLYMERIZATION OF AN AQUEOUS EMULSION SYSTEM CONTAINING 100 PARTS POLYMERIZABLE SYNTHETIC RUBBER-FORMING MONOMERS SELECTED FROM THE GROUP CONSISTING OF CONJUGATED BUTADIENE-1,3 HYDROCARBONS AND MIXTURES OF SAID HYDROCARBONS WITH COMPOUNDS WHICH CONTAIN SINGLE CH2=C< GROUP AND ARE COPOLY MERIZABLE WITH SAID HYDROCARBONS AND CONTAINING 0.02 TO 2.0 PARTS OF AN ORGANIC PEROXIDE CATALYST, FROM 1.0 TO 10.0 PARTS OF A MIXED FATTY ACID/ROSIN ACID EMULSIFIER, AND AN ACTIVATOR SELECTED FROM THE GROUP OF CONSISTUNG OF DISODIUM FERROUS ETHYLENEDIAMINE TETRAACETATE, MONOSODIUM FERRIC ETHYLENEDIAMINE TETRAACETATE, AND COMBINATIONS OF INORGANIC FERROUS AND FERRIC SALTS WITH A SEQUESTERING AGENT SELECTED FROM THE GROUP CONSISTING OF TETRASODIUM ETHYLENEDIAMINE TETRAACETATE, 90% TETRASODIUM ETHYLENEDIAMINE TETRAACETATE/10% DIHYDROXYETHYLGLYCINE, AND EQUIMOLAR MIXED TRISODIUM HYDROXYETHYLENEDIAMINE TRIAETATE/SODIUM GLUCONATE, SAID ACTIVATOR CONTAINING FROM 0.0002 RO 0.008 PART OF SEQUESTED IRON, AND, IN ADDITION, FROM 0.02 TO 2.0 PARTS OF MIXTURE CONSISTING OF 15 TO 70 MOLAL PERCENT SODIUM BENEZALDEHYDE SULFOXYLATE AND 85 TO 30 MOLAL PERCENT SODIUM FORMALDEHYDE SULFOXYLATE.

References Cited (Backward Citations)

US2716107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-02-07 1964-08-08 1965-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-02-07 1968-08-08 1969-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-02-07 1972-08-08 1973-02-07 $7700.00 Window Closed / Lapsed

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