← Back to Patent Explorer
US2866811A Expired / Lapsed US ⏱️ 0.0 years remaining

Esters of acyclic polyols with metaboric acid

Assignee: Ethyl Corp
•
Filing: 1956-04-19
•
Granted: 1958-12-30
•
Expires: 1976-04-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Glenn E Irish
  • 👤 Marguerite S Baylerian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:09
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/20; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C10M; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 80 words
ESTERS BETWEEN AN ACYCLIC POLYOL AND TRIMERIC METABORIC ACID, SAID POLYOL HAVING 3 TO 10 CARBON ATOMS AND 2 TO 3 HYDROXYL GROUPS ATTACHED TO CARBON ATOMS, EACH OF SAID HYDROXYL GROUPS BEING SEPARATED FROM ITS NEIGHBORING HYDROXYL GROUP BY 3 TO 6 CARBON ATOMS AND UP TO ONE NITROGEN ATOM, THE TOTAL NUMBER OF ATOMS SEPARATING SAID NEIGHBORING HYDROXYL GROUPS BEING 3 TO 6, IN WHICH ALL OF THE HYDROXYL GROUPS OF SAID POLYOL ARE BONDED TO SAID ACID.
Claim 2
Dependent Claim 80 words
ESTERS BETWEEN AN ACYCLIC POLYOL AND TRIMERIC METABORIC ACID, SAID POLYOL HAVING 3 TO 10 CARBON ATOMS AND 2 TO 3 HYDROXYL GROUPS ATTACHED TO CARBON ATOMS, EACH OF SAID HYDROXYL GROUPS BEING SEPARATED FROM ITS NEIGHBORING HYDROXYL GROUP BY 3 TO 6 CARBON ATOMS AND UP TO ONE NITROGEN ATOM, THE TOTAL NUMBER OF ATOMS SEPARATING SAID NEIGHBORING HYDROXYL GROUPS BEING 3 TO 6, IN WHICH ALL OF THE HYDROXYL GROUPS OF SAID POLYOL ARE BONDED TO SAID ACID.

References Cited (Backward Citations)

US2642453A Cited
US2613219A Cited
US2721121A Cited
US2710251A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-29 1962-06-30 1962-12-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-29 1966-06-30 1966-12-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-29 1970-06-30 1970-12-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag