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US3833512A Expired / Lapsed US ⏱️ 0.0 years remaining

Solution compositions of organo-silicone polymers

Assignee: Union Carbide Corp
•
Filing: 1972-06-26
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Granted: 1974-09-03
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Expires: 1992-06-26
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Abstract

Abstract SOLUTION COMPOSITIONS ARE PROVIDED CONSISTING ESSENTIALLY OF FOUR DIFFERENT INGREDIENTS: (1) A LIQUID ORGANOSILICONE POLYMER CONTAINING MONOMERIC UNITS (A), (B) AND (C) WHERE A IS SIO4/2, B IS A POLYFUNCTIONAL SILOXY UNIT IN WHICH SILICON IS BONDED TO AT LEAST ONE ORGANIC MOIETY BEARING A POLY(OXYALKYLENE) CHAIN, AND C IS A MONOFUNCTIOAL TRIORGANOSILOXY CONSISTING ESSENTIALLY OF ONE OR (B) TO (C) BEING 0.4-2:1:0.2-2, RESPECTIVELY; (2) AN ORGANIC ACIDIC COMPONENT CONSISTING ESSENTIALLY OF ONE OR MORE ALIPHATIC AND CYCLOALIPHATIC CARBOXYLIC ACIDS HAVING 15-20 CARBON ATOMS; (3) A NON IONIC ORGANIC SURFACTANT; AND (4) A WATER SOLUBLE GLYCOL. THE SOLUTION COMPOSITIONS ARE USEFUL AS SURFACTANT-PROVIDING COMPOSITIONS FINDING PARTICULAR APPLICATION IN THE MANUFACTURE OF FLEXIBLE POLYESTER URETHANE CELLULAR PRODUCTS, INCLUDING FLAME-RETARDED FOAMS.

Inventors

  • 👤 B Prokai
  • 👤 B Kanner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:02
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0095; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/42; C08G77/46; C08K; C08K5/00; C08K5/04; C08K5/10; C08L; C08L75/00; C08L75/04; C08L75/06; C08L83/00; C08L83/04; C08L91/00; C08J2375/00; C08J2375/04; C08J2375/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/905; Y10S516/906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-09-02 1978-03-04 1978-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-02 1982-03-04 1982-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-02 1986-03-04 1986-09-03 $7700.00 Window Closed / Lapsed

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