Patent US2667232A successfully refreshed from Google Patents.
Patent US2985544A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2985544A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of rendering cellulosic material non-adherent and article produced thereby

Assignee: General Electric Co
•
Filing: 1958-03-26
•
Granted: 1961-05-23
•
Expires: 1978-03-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Monterey Francis G A De
  • 👤 Michael J Zurlo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:32
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/59; B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31971; Y10T428/31993

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 85 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING THE SAID MATERIAL WITH AN EMULSION TREATING COMPOSITION CONSISTING ESSENTIALLY OF (1) A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (2) A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.05 TO 1.4 METHYL GROUPS PER SILICON ATOM AND COMPOSED ESSENTIALLY OF (CH3)2SIO AND CH3SIO3/2 UNITS, (3) POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT AND (4) A CATALYTIC AMOUNT OF DISBUTYL TIN DILAURATE, AND THEREAFTER DRYING THE TREATED MATERIAL.
Claim 2
Independent Claim 85 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING THE SAID MATERIAL WITH AN EMULSION TREATING COMPOSITION CONSISTING ESSENTIALLY OF (1) A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (2) A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.05 TO 1.4 METHYL GROUPS PER SILICON ATOM AND COMPOSED ESSENTIALLY OF (CH3)2SIO AND CH3SIO3/2 UNITS, (3) POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT AND (4) A CATALYTIC AMOUNT OF DISBUTYL TIN DILAURATE, AND THEREAFTER DRYING THE TREATED MATERIAL.

References Cited (Backward Citations)

US2442196A Cited
US2504388A Cited
US2588367A Cited
US2814601A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-22 1964-11-21 1965-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-22 1968-11-21 1969-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-22 1972-11-21 1973-05-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag