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US3047528A Expired / Lapsed US ⏱️ 0.0 years remaining

Elastomer composition

Assignee: —
•
Filing: —
•
Granted: 1962-07-31
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Expires: 1979-07-31
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:12
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/12; C08G77/14; C08G77/16; C08G77/70; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L2666/00; C08L2666/28; C08L2666/54

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 148 words
A CURABLE COMPOSITION COMPRISING (A) AN ORGANOPOLYSILOXANE HAVING A VISCOSITY OF AT LEAST 100,000 CENTISTOKES WHEN MEASURED AT 25*C. AND CONTAINING AN AVERAGE OF ABOUT 2 ORGANIC GROUPS PER SILICON ATOM, FROM ABOUT 0.01 TO 10 PERCENT OF THE SILICON ATOMS IN SAID ORGANOPOLYSILOXANE BEING ATTACHED TO A CARBOXYALKYL RADICAL, WITH THE REMAINING ORGANIC GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON RADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS, (B) A FILLER SELECTED FROM THE CLASS CONSISTING OF FINELY DIVIDED SILICA AND FINELY DIVIDED CARBON AND (C) AS A CURING AGENT, A POLYVALENT METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES, POLYVALENT METAL CARBONATES, POLYVALENT METAL SALTS OF CARBOXYLIC ACIDS CONTAINING UP TO 11 CARBON ATOMS, POLYVALENT METAL ALCOHOLATES OF ALCOHOLS CONTAINING UP TO 11 CARBON ATOMS, AND POLYVALENT METAL SALTS OF ENOLS CONTAINING UP TO 11 CARBON ATOMS.
Claim 2
Dependent Claim 148 words
A CURABLE COMPOSITION COMPRISING (A) AN ORGANOPOLYSILOXANE HAVING A VISCOSITY OF AT LEAST 100,000 CENTISTOKES WHEN MEASURED AT 25*C. AND CONTAINING AN AVERAGE OF ABOUT 2 ORGANIC GROUPS PER SILICON ATOM, FROM ABOUT 0.01 TO 10 PERCENT OF THE SILICON ATOMS IN SAID ORGANOPOLYSILOXANE BEING ATTACHED TO A CARBOXYALKYL RADICAL, WITH THE REMAINING ORGANIC GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON RADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS, (B) A FILLER SELECTED FROM THE CLASS CONSISTING OF FINELY DIVIDED SILICA AND FINELY DIVIDED CARBON AND (C) AS A CURING AGENT, A POLYVALENT METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES, POLYVALENT METAL CARBONATES, POLYVALENT METAL SALTS OF CARBOXYLIC ACIDS CONTAINING UP TO 11 CARBON ATOMS, POLYVALENT METAL ALCOHOLATES OF ALCOHOLS CONTAINING UP TO 11 CARBON ATOMS, AND POLYVALENT METAL SALTS OF ENOLS CONTAINING UP TO 11 CARBON ATOMS.

References Cited (Backward Citations)

US2453562A Cited
US2842515A Cited
US2480620A Cited
FR1189989A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-30 1966-01-29 1966-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-30 1970-01-29 1970-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-30 1974-01-29 1974-07-31 $7700.00 Window Closed / Lapsed

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