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US3734874A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyesters and polyesteramides containing ether groups and sulfonate groups in the form of a metallic salt

Assignee: Eastman Kodak Co
•
Filing: 1970-02-27
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Granted: 1973-05-22
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Expires: 1990-02-27
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Abstract

Abstract WATER-DISSIPATABLE, MELTABLE POLYESTERS AND POLYESTERAMIDES DERIVED FROM MONOMER COMPONENTS WHICH INCLUDE DICARBOXYLIC ACID, HYDROXYCARBOXYLIC ACID, AMINOCARBOXYLIC ACID, AMINOALCOHOL, GLYCOL, DIAMINE OR COMBINATIONS OF SUCH MONOMER COMPONENTS WHEREIN AT LEAST A PART OF THE TOTAL OF ALL SUCH MONOMER COMPONENTS IS A POLY (ETHYLENE GLYCOL), AND AT LEAST A PART OF SAID TOTAL IS ONE OR MORE OF SAID MONOMER COMPONENTS SUBSTITUTED WITH ONE OR MORE SULFONATE METAL SALT GROUPS. A TYPICAL POLYESTER IS COMPOSED OF 80 MOLE PARTS OF ISOPHTHALIC ACID, 10 MOLE PARTS OF ADIPIC ACID, 10 MOLE PARTS OF 5-SODIOSULFOISOPHTHALATE, 20 MOLE PARTS OF ETHYLENE GLYCOL AND 80 MOLE PARTS DIETHYLENE GLYCOL. SUCH POLYMERS ARE USEFUL AS ADHESIVES, COATING MATERIALS, FILMS, PACKAGING MATERIALS AND OTHER PRODUCTS WHICH CAN BE DISSOLVED, DISPERSED OR OTHERWISE DISSIPATED IN COLD WATER, HOT WATER OR AQUEOUS SOLUTIONS.

Inventors

  • 👤 C Kibler
  • 👤 G Lappin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:46
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C08G63/00; C08G63/66; C08G63/668; C08G63/672; C08G63/68; C08G63/688; C08G63/6884; C08G63/6886; C08L; C08L67/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-21 1976-11-20 1977-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-21 1980-11-20 1981-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-21 1984-11-20 1985-05-22 $7700.00 Window Closed / Lapsed

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