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Bis (chlorophenyl)-tetramethyl-disiloxanes

Assignee: Westinghouse Electric Corp
•
Filing: 1955-09-30
•
Granted: 1959-06-23
•
Expires: 1975-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Gordon C Gainer
  • 👤 Daniel W Lewis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:34
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/121; C07F7/122; C07F7/18; C07F7/1804; C10; C10M; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/061; C10M2201/065; C10M2201/066; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/10; C10M2201/102; C10M2201/105; C10M2201/16; C10M2201/18; C10M2207/00; C10M2207/09; C10M2215/00; C10M2215/14; C10M2227/00; C10M2227/04; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 38 words
A DISILOXANE HAVING TWO METHYL GROUPS ATACHED TO EACH OF THE TWO SILICONE ATOMS AND A CHLOROPHENYL RADICAL ATTACHED TO EACH OF THE SILICONE, THE CHLOROPHENYL RADICAL HAVING FROM ONE TO TWO CHLORINE GROUPS SUBSTITUTED IN THE RING.
Claim 2
Dependent Claim 38 words
A DISILOXANE HAVING TWO METHYL GROUPS ATACHED TO EACH OF THE TWO SILICONE ATOMS AND A CHLOROPHENYL RADICAL ATTACHED TO EACH OF THE SILICONE, THE CHLOROPHENYL RADICAL HAVING FROM ONE TO TWO CHLORINE GROUPS SUBSTITUTED IN THE RING.

References Cited (Backward Citations)

US2486162A Cited
US2398187A Cited
US2426122A Cited
US2468869A Cited
US2483158A Cited
US2640066A Cited
US2561178A Cited
US2636896A Cited
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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) 1962-06-22 1962-12-22 1963-06-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-22 1966-12-22 1967-06-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-22 1970-12-22 1971-06-23 $7700.00 Window Closed / Lapsed

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