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US3271481A Expired / Lapsed US ⏱️ 0.0 years remaining

2, 6-disubstituted primary aryl phosphites and phosphorodihalidites and processes for the manufacture thereof

Assignee: GE Chemicals Inc
•
Filing: 1962-08-31
•
Granted: 1966-09-06
•
Expires: 1982-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Francis M Kujawa
  • 👤 Alvin F Shepard
  • 👤 Bobby F Dannels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C07F9/146; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/322; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641; C10M; C10M1/00; C10M1/08; C10L1/2658; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2040/00; C10N2040/02; C10N2040/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US3126343A Cited
US2259452A Cited
US2441331A Cited
US2397702A Cited
US2732365A Cited
US2839563A Cited
US3014946A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-05 1970-03-07 1970-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-05 1974-03-07 1974-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-05 1978-03-07 1978-09-06 $7700.00 Window Closed / Lapsed

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