Patent US3108902A successfully refreshed from Google Patents.
US3108902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic anhydride reactions and products resulting therefrom
Assignee: Boeing Co
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Filing: 1958-04-10
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Granted: 1963-10-29
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Expires: 1978-04-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Galli
- 👤 Robert B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:08
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C08G63/692; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2721; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PROCESS COMPRISING, BRINGING TOGETHER (A) AN ORGANIC ANHYDRIDE OF AT LEAST DIBASIC ACIDS WHEREIN TWO OF THE CARBOXYL GROUPS ARE ON ADJACENT CARBON ATOMS AND THE CARBON ATOMS IN THE ANHYDRIDE MOLECULE ARE IN NUMBER IN THE RANGE OF FROM 4 TO 20 AND (B) A COMPOSITION OF MATTER COMPRISING A POLYMERIZABLE COPOLYMER OF (1) A POLYESTER POLYMER FORMED FROM A POLYHYDRIC ALCOHOL AND AN ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND HAVING A MOLECULAR WEIGHT OF FROM 500 TO 1500, AND (2) TRIALLYL ISO-CYANURATE, AND REACTING SAID ANHYDRIDE WITH SAID COPOLYMER, CONTACTING A RESULTING PRODUCT OF SAID REACTING WITH A SOLID MATERIAL HAVING HYDROXYL GROUPS ON THE SURFACE THEREOF, AND REACTING SAID ANHYDRIDE WITH SAID HYDROXYL GROUPS, THEREBY CHEMICALLY UNITING SAID ANHYDRIDE AND SOLID MATERIAL THROUGH THE RESIDUE OF SAID LASTNAMED REACTING.
Claim 2
Dependent Claim
132 words
A PROCESS COMPRISING, BRINGING TOGETHER (A) AN ORGANIC ANHYDRIDE OF AT LEAST DIBASIC ACIDS WHEREIN TWO OF THE CARBOXYL GROUPS ARE ON ADJACENT CARBON ATOMS AND THE CARBON ATOMS IN THE ANHYDRIDE MOLECULE ARE IN NUMBER IN THE RANGE OF FROM 4 TO 20 AND (B) A COMPOSITION OF MATTER COMPRISING A POLYMERIZABLE COPOLYMER OF (1) A POLYESTER POLYMER FORMED FROM A POLYHYDRIC ALCOHOL AND AN ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND HAVING A MOLECULAR WEIGHT OF FROM 500 TO 1500, AND (2) TRIALLYL ISO-CYANURATE, AND REACTING SAID ANHYDRIDE WITH SAID COPOLYMER, CONTACTING A RESULTING PRODUCT OF SAID REACTING WITH A SOLID MATERIAL HAVING HYDROXYL GROUPS ON THE SURFACE THEREOF, AND REACTING SAID ANHYDRIDE WITH SAID HYDROXYL GROUPS, THEREBY CHEMICALLY UNITING SAID ANHYDRIDE AND SOLID MATERIAL THROUGH THE RESIDUE OF SAID LASTNAMED REACTING.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |