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US3859378A Expired / Lapsed US ⏱️ 0.0 years remaining

Antistatic finishing of plastic molding materials

Assignee: Sandoz AG
•
Filing: 1971-09-01
•
Granted: 1975-01-07
•
Expires: 1991-09-01
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Abstract

Abstract The use for the antistatic finishing of spun or moulded synthetic polymers of substituted or quaternised compounds derived essentially from high molecular fatty acids and polyalkylene polyamines.

Inventors

  • 👤 Richard Hochreuter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 12:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A SYNTHETIC PLASTIC POLYMER WHICH IS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, POLYSTRYENE, POLYVINYL CHLORIDE, AND POLYOLEFINS AND WHICH HAS A TENDENCE TO ACCUMULATE STATIC ELECTRICITY AND, INCORPORATED THEREIN, 0.01 TO 5% BY WEIGHT OF THE POLYMER OF AN ANTISTATIC COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A SYNTHETIC PLASTIC POLYMER WHICH IS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, POLYSTRYENE, POLYVINYL CHLORIDE, AND POLYOLEFINS AND WHICH HAS A TENDENCE TO ACCUMULATE STATIC ELECTRICITY AND, INCORPORATED THEREIN, 0.01 TO 5% BY WEIGHT OF THE POLYMER OF AN ANTISTATIC COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 24 words
A composition according to claim 1 wherein the antistatic compound is present in an amount of 0.1 to 1% by weight of the polymer.
Claim 4
Dependent Claim 23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C11H23CONH(CH2)3NH(CH2)3NHCH2COONa and the polymer is a polyamide.
Claim 5
Dependent Claim 16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 6
Dependent Claim 16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 7
Dependent Claim 16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 8
Dependent Claim 16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 9
Dependent Claim 23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C17H33CONH(CH2)3-NH-(CH2)3NHCH2COONa and the polymer is polyvinyl chloride.
Claim 10
Dependent Claim 23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C17H33CONH(CH2)3NH(CH2)3NHCH2CH2COONa and the polymer is polyvinyl chloride.
Claim 11
Dependent Claim 16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula

References Cited (Backward Citations)

US3122504A Cited
US2953420A Cited
US3230190A Cited
US3403117A Cited
US3324091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-01-06 1978-07-08 1979-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-01-06 1982-07-08 1983-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-01-06 1986-07-08 1987-01-07 $7700.00 Window Closed / Lapsed

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