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US2886555A Expired / Lapsed US ⏱️ 0.0 years remaining

New composition of matter and process for producing same

Assignee: Bayer AG
•
Filing: 1955-07-26
•
Granted: 1959-05-12
•
Expires: 1975-07-26
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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)

US2650212A Cited
GB712053A Cited
US2692874A Cited
GB731071A Cited
US2779689A Cited

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

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