Patent US3328355A successfully refreshed from Google Patents.
US3328355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters of dihydroxy polyhedral borane compounds
Assignee: EIDP Inc
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Filing: 1963-02-20
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Granted: 1967-06-27
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 James W Dawes
- 👤 John C Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:21
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/08; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3897; C08G63/00; C08G63/68; C08G63/698; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A BORON-CONTAINING POLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA M(2/V)/-O-B(M)H(M-N-2)X(N)-O-AWHEREIN: M IS A CATION; V IS THE VALENCE OF M; 2/V IS THE RATION OF M GROUPS TO ONE -BMHM-N-2XNGROUP; X IS A MONOVALENT GROUP SELECTED FROM THE CLASS CONSISTING OF HALOGEN, -Q'', -OQ", -OQ"'', -SQ" AND COQ", WHEREIN Q'' IS SELECTED FROM THE CLASS CONSISTING OF ALKYL AND CYCLOALKYL EACH OF AT MOST 12 CARBON ATOMS, Q'' IS ALIPHATICALLY SAUTRATED HYDROCARBYL OF AT MOST 12 CARBON ATOMS, AND Q"'' IS ALIPHATICALLY SATURATED HYDROCARBYL OF AT MOST 12 CARBON ATOMS INTERRUPTED BY ONE OXYGEN ATOM; M IS A CARDINAL NUMBER SELECTED FROM THE CLASS CONSISTING OF 10 AND 12; N IS A CARDINAL NUMBER OF FROM 0 TO M-2, INCLUSIVE; AND A IS SELECTED FROM THE CLASS CONSISTING OF (A) A DIVALENT GROUP REMAINING AFTER REMOVAL OF TWO ACID HALOGENS FROM A POLY(CARBACYL HALIDE) HAVING AT MOST 18 CARBON ATOMS, AND (B) A DIVALENT GROUP REMAINING AFTER REMOVAL OF TWO ACID HALOGENS FROM A POLY(ACID HALIDE) OF A POLY(OXY ACID) WHOSE CENTRAL ATOM IS AN ELEMENT OF ATOMIC NUMBER 14-16, INCLUSIVE.
Claim 2
Dependent Claim
183 words
A BORON-CONTAINING POLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA M(2/V)/-O-B(M)H(M-N-2)X(N)-O-AWHEREIN: M IS A CATION; V IS THE VALENCE OF M; 2/V IS THE RATION OF M GROUPS TO ONE -BMHM-N-2XNGROUP; X IS A MONOVALENT GROUP SELECTED FROM THE CLASS CONSISTING OF HALOGEN, -Q'', -OQ", -OQ"'', -SQ" AND COQ", WHEREIN Q'' IS SELECTED FROM THE CLASS CONSISTING OF ALKYL AND CYCLOALKYL EACH OF AT MOST 12 CARBON ATOMS, Q'' IS ALIPHATICALLY SAUTRATED HYDROCARBYL OF AT MOST 12 CARBON ATOMS, AND Q"'' IS ALIPHATICALLY SATURATED HYDROCARBYL OF AT MOST 12 CARBON ATOMS INTERRUPTED BY ONE OXYGEN ATOM; M IS A CARDINAL NUMBER SELECTED FROM THE CLASS CONSISTING OF 10 AND 12; N IS A CARDINAL NUMBER OF FROM 0 TO M-2, INCLUSIVE; AND A IS SELECTED FROM THE CLASS CONSISTING OF (A) A DIVALENT GROUP REMAINING AFTER REMOVAL OF TWO ACID HALOGENS FROM A POLY(CARBACYL HALIDE) HAVING AT MOST 18 CARBON ATOMS, AND (B) A DIVALENT GROUP REMAINING AFTER REMOVAL OF TWO ACID HALOGENS FROM A POLY(ACID HALIDE) OF A POLY(OXY ACID) WHOSE CENTRAL ATOM IS AN ELEMENT OF ATOMIC NUMBER 14-16, INCLUSIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |