US2886555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New composition of matter and process for producing same
Assignee: Bayer AG
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Filing: 1955-07-26
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Granted: 1959-05-12
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Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Bunge Wilhelm
- 👤 Mielke Karl-Heinz
- 👤 Moller Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:03
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; C08G18/08; C08G18/16; C08G18/18; C08G18/70; C08G18/72; C08G18/80; C08G18/8061; C08G18/8064; C08G18/8067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE CONTAINING IN SUBSTANTIAL AMOUNTS THE ADDITION PRODUCT OF AN ORGANIC POLYISOCYANATE AND A PHENOL, A PREDOMINANTLY HYDROXYL TERMINATED ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYESTER PREPARED BY ESTERIFICATION OF A DICARBOXYLIC ACID AND AN EXCES OF A PIOYHYDRIC ALCOHOL, A POLYETHER PRODUCED BY CONDENSATION OF POLYHYDRIC ALCOHOLS AS THE SOLE HYDROXYL CONTAINING REACTIVE INGREDIENTS, AND THE POLYMERIC AHYDROGENATED CONDENSATION PRODUCT OF ETHYLENE AND CARBON MONOXIDE, AND A PRECURSOR OF A CATALYST WHICH SPLITS WHEN HEATED TO A TEMPERATURE BELOW 150*C. TO FORM THE CATALYST, SAID PRECURSOR BEING SELECTED FROM THE GROUP CONSISTING OF (1) SALTS PREPARED FROM A CARBOXYLIC ACID AND A TERTIARY AMINE FREE FROM GROUPS REACTIVE WITH AN ISOCYANATE, (2) THE REACTION PRODUCST OF AN AMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALDEHYDE AND A KETONE, AND (3) THE REACTION PRODUCT OF AMMONIA WITH A COM, POUND SELECTED FROM THE GROUP CONSISTING OF AN ALDEHYDE AND A KETONE.
Claim 2
Dependent Claim
164 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE CONTAINING IN SUBSTANTIAL AMOUNTS THE ADDITION PRODUCT OF AN ORGANIC POLYISOCYANATE AND A PHENOL, A PREDOMINANTLY HYDROXYL TERMINATED ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYESTER PREPARED BY ESTERIFICATION OF A DICARBOXYLIC ACID AND AN EXCES OF A PIOYHYDRIC ALCOHOL, A POLYETHER PRODUCED BY CONDENSATION OF POLYHYDRIC ALCOHOLS AS THE SOLE HYDROXYL CONTAINING REACTIVE INGREDIENTS, AND THE POLYMERIC AHYDROGENATED CONDENSATION PRODUCT OF ETHYLENE AND CARBON MONOXIDE, AND A PRECURSOR OF A CATALYST WHICH SPLITS WHEN HEATED TO A TEMPERATURE BELOW 150*C. TO FORM THE CATALYST, SAID PRECURSOR BEING SELECTED FROM THE GROUP CONSISTING OF (1) SALTS PREPARED FROM A CARBOXYLIC ACID AND A TERTIARY AMINE FREE FROM GROUPS REACTIVE WITH AN ISOCYANATE, (2) THE REACTION PRODUCST OF AN AMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALDEHYDE AND A KETONE, AND (3) THE REACTION PRODUCT OF AMMONIA WITH A COM, POUND SELECTED FROM THE GROUP CONSISTING OF AN ALDEHYDE AND A KETONE.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |