US2617779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized vinyl halide resins and electrical conductors insulated therewith
Assignee: General Electric Co
•
Filing: 1949-05-28
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Granted: 1952-11-11
•
Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Roland K Griffith
- 👤 Jr Henry C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:42
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08K; C08K13/00; C08K13/02; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08L; C08L27/00; C08L27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A COMPOSITION OF MATTER COMPRISING (1) A VINYL HALIDE RESIN SELECTED FROM THE CLASS CONSISTING OF POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE IN WHICH THE VINYL ACETATE COMPRISES A MINOR PROPORTION OF THE TOTAL WEIGHT OF THE VINYL CHLORIDE AND VINYL ACETATE, AND (2) A PLASTICIZER FOR (1) COMPRISING AN ALCOHOL CHAIN-STOPPED, LIQUID, HEAT-STABLE, PERMANENTLY FUSIBLE COMPOSITION COMPRISING THE PRODUCT OF REACTION UNDER HEAT OF A MIXTURE OF INGREDIENTS IN THE FOLLOWING MOLAR RATIO AND CONSISTING ESSENTIALLY OF (A) FROM 4 TO 8 MOLS OF A DICARBOXYLIC ACID SELECTED FROM THE CLASS CONSISTING OF ADIPIC AND AZELAIC ACIDS, (B) N-1+X MOLES OF A DIHYDRIC ALCOHOL SELECTED FROM THE CLASS CONSISTING OF PROPYLENE GLYCOL AND DIPROPYLENE GLYCOL, WHERE N IS EQUAL TO THE NUMBER OF MOLS OF THE DICARBOXYLIC ACID AND X IS EQUAL TO A SLIGHT MOLAR EXCESS OF THE DIHYDRIC ALCOHOL NECESSARY TO EFFECT COMPLETE ESTERIFICATION, AND (C) ABOUT 2 MOLS OF A MONOHYDRIC LINEAR SATURATED ALIPHATIC ALCOHOL CONTAINING FROM 6 TO 12 CARBON ATOMS, SAID MONOHYDRIC ALCOHOL ACTING AS AN ESTERIFYING CHAINSTOPPER AT EACH END OF THE LINEAR ESTER CHAIN FORMED BY THE REACTION OF THE AFOREMENTIONED DIHYDRIC ALCOHOL AND DICARBOXYLIC ACID.
Claim 2
Dependent Claim
198 words
A COMPOSITION OF MATTER COMPRISING (1) A VINYL HALIDE RESIN SELECTED FROM THE CLASS CONSISTING OF POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE IN WHICH THE VINYL ACETATE COMPRISES A MINOR PROPORTION OF THE TOTAL WEIGHT OF THE VINYL CHLORIDE AND VINYL ACETATE, AND (2) A PLASTICIZER FOR (1) COMPRISING AN ALCOHOL CHAIN-STOPPED, LIQUID, HEAT-STABLE, PERMANENTLY FUSIBLE COMPOSITION COMPRISING THE PRODUCT OF REACTION UNDER HEAT OF A MIXTURE OF INGREDIENTS IN THE FOLLOWING MOLAR RATIO AND CONSISTING ESSENTIALLY OF (A) FROM 4 TO 8 MOLS OF A DICARBOXYLIC ACID SELECTED FROM THE CLASS CONSISTING OF ADIPIC AND AZELAIC ACIDS, (B) N-1+X MOLES OF A DIHYDRIC ALCOHOL SELECTED FROM THE CLASS CONSISTING OF PROPYLENE GLYCOL AND DIPROPYLENE GLYCOL, WHERE N IS EQUAL TO THE NUMBER OF MOLS OF THE DICARBOXYLIC ACID AND X IS EQUAL TO A SLIGHT MOLAR EXCESS OF THE DIHYDRIC ALCOHOL NECESSARY TO EFFECT COMPLETE ESTERIFICATION, AND (C) ABOUT 2 MOLS OF A MONOHYDRIC LINEAR SATURATED ALIPHATIC ALCOHOL CONTAINING FROM 6 TO 12 CARBON ATOMS, SAID MONOHYDRIC ALCOHOL ACTING AS AN ESTERIFYING CHAINSTOPPER AT EACH END OF THE LINEAR ESTER CHAIN FORMED BY THE REACTION OF THE AFOREMENTIONED DIHYDRIC ALCOHOL AND DICARBOXYLIC ACID.
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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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |