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US3373137A Expired / Lapsed US ⏱️ 0.0 years remaining

Nitrogen-containing organosilicon compounds and their preparation

Assignee: Dow Silicones Corp
•
Filing: 1963-01-04
•
Granted: 1968-03-12
•
Expires: 1983-01-04
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Abstract

No abstract record available.

Inventors

  • 👤 John C Saam

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 06:15
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0834; C07F7/0838; C07F7/18; C07F7/1804; C07F7/21; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 7 words
A NITROGEN-CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim 7 words
A NITROGEN-CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 3
Dependent Claim 15 words
A NITROGEN-CONTAINING SILOXANE COPOLYMER CONSISTING ESSENTIALLY OF (1) AT LEAST ONE UNIT OF THE FORMULA
Claim 4
Dependent Claim 15 words
A NITROGEN-CONTAINING SILOXANE COPOLYMER CONSISTING ESSENTIALLY OF (1) AT LEAST ONE UNIT OF THE FORMULA
Claim 5
Dependent Claim 7 words
A NITROGEN-CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 6
Dependent Claim 7 words
A NITROGEN-CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 7
Dependent Claim 7 words
A NITROGEN-CONTAINING SILOXANE OF THE UNIT FORMULA
Claim 8
Dependent Claim 7 words
A NITROGEN-CONTAINING SILOXANE OF THE UNIT FORMULA

References Cited (Backward Citations)

US2868802A Cited
US3101277A Cited
US2938038A Cited
US2129281A Cited
US2566363A Cited
US2541154A Cited
US2611778A Cited
US2859135A Cited
US2610198A Cited
US2703324A Cited
US2881184A Cited
US2973383A Cited
US3068152A Cited
US3053696A Cited
FR1360395A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-12 1971-09-11 1972-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-12 1975-09-11 1976-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-12 1979-09-11 1980-03-12 $7700.00 Window Closed / Lapsed

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