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US3879346A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastics with good antistatic properties and improved processing properties

Assignee: Novartis Corp
•
Filing: 1973-07-09
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Granted: 1975-04-22
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Expires: 1993-07-09
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Abstract

Abstract Disclosed are plastics compositions comprising thermoplastics, especially polyolefines, and a minor proportion of glycerine monoethers or glycerine monothioethers or substances derived therefrom. The new compositions possess in particular good antistatic properties and also improved processing and colour stability.

Inventors

  • 👤 Hans-Helmut Friedrich
  • 👤 Helmut Linhart
  • 👤 Hermann Otto Wirth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0075; C07; C07C; C07C317/00; C07C323/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/21

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 24 words
ANTISTATIC THERMOPLASTICS WHICH CONTAINS 0.01 TO 5 PER CENT BY WEIGHT, RELATIVE TO THE THERMOPLASTIC, OF A COMPOUND OR MIXTURES OF THE FORMULA I
Claim 2
Dependent Claim 24 words
ANTISTATIC THERMOPLASTICS WHICH CONTAINS 0.01 TO 5 PER CENT BY WEIGHT, RELATIVE TO THE THERMOPLASTIC, OF A COMPOUND OR MIXTURES OF THE FORMULA I
Claim 3
Dependent Claim 34 words
Antistatic thermoplastics which contain 0.01 to 5 per cent by weight, relative to the thermoplastic, of a compound or mixtures of the formUla I R-X-(CH2-Y-O)nH (I) in which X denotes -O-S-or -SO2, Y denotes
Claim 4
Dependent Claim 34 words
Antistatic thermoplastics which contain 0.01 to 5 per cent by weight, relative to the thermoplastic, of a compound or mixtures of the formUla I R-X-(CH2-Y-O)nH (I) in which X denotes -O-S-or -SO2, Y denotes
Claim 5
Dependent Claim 18 words
Antistatic thermoplastics according to claim 1, characterised in that they do not contain any hydrophilic polymers as additives.
Claim 6
Dependent Claim 14 words
Antistatic thermoplastics according to claim 1, characterised in that the thermoplastic is a polyolefine.
Claim 7
Dependent Claim 17 words
Antistatic thermoplastics according to claim 3, characterised in that the polyolefine is polypropylene or high pressure polyethylene.
Claim 8
Dependent Claim 14 words
Antistatic thermoplastics according to claim 1, characterised in that the thermoplastic is polyvinyl chloride.
Claim 9
Dependent Claim 14 words
Antisatic thermoplastics according to claim 1, characterised in that the thermoplastic is a polyurethane.
Claim 10
Dependent Claim 20 words
Antistatic thermoplastics according to claim 1, characterised in that they contain substances of the formula (I) in which Y represents
Claim 11
Dependent Claim 20 words
Antistatic thermoplastics according to claim 1, characterised in that they contain substances of the formula (I) in which Y represents
Claim 12
Dependent Claim 15 words
Antistatic thermoplastics according to claim 1, characterised in that they contain mixtures of the formula

References Cited (Backward Citations)

US2564795A Cited
US2624719A Cited
US3234170A Cited
US3446764A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-21 1978-10-21 1979-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-21 1982-10-21 1983-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-21 1986-10-21 1987-04-22 $7700.00 Window Closed / Lapsed

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