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US3847860A Expired / Lapsed US ⏱️ 0.0 years remaining

Adhesive agents comprising phenolic resins and a mixture of silanes

Assignee: Dynamit Nobel AG
•
Filing: 1973-05-08
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Granted: 1974-11-12
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Expires: 1993-05-08
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Abstract

Abstract 1. A COMPOSITE SHAPED ARTICEL CONSISTING ESSENTIALLY OF AN INORGANIC MATERIAL HAVING AN OXIDIC SURFACE CONTAINING AN HYDROXYL GROUP AND A MIXTURE OF AT LEAST TWO DISTINCT SILANES, ONE OF WHICH IS AN AMINOPROPYLTRIALKOXYSILANE AND ANOTHER OF WHICH IS BIS-AMINOPROPYLTRIALKOXYSILANE OR TRIS-AMINOPROPYLTRIALKOXYSILANE, THE ALKYL GROUP OF SAID SILANES HAVING 1 TO 3 CARBON ATOMS THEREIN WHICH EACH SILANE CONTRIBUTING AT LEAST 5 WEIGHT PERCENT TO THE MIXTURE, SAID COMPOSITE ARTICLE CONTAINING A THERMO OR COLD SETTING PHENOLIC RESIN OR THERMO OR COLD SETTING PHENOLIC RESIN MOLDIFIED BY A FURAN COMPOUND SELECTED PHENOLIC RESIN MODIFIED BY A FURAN COMPOUND ALCOHOL AND FURFROM THE GROUP CONSISTING OF FURFURYL ALCOHOL AND FURFURAL.

Inventors

  • 👤 H Junger
  • 👤 C Seiler
  • 👤 H Vahlensieck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/544; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08K2201/00; C08K2201/014

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
A COMPOSITE SHAPED ARTICEL CONSISTING ESSENTIALLY OF AN INORGANIC MATERIAL HAVING AN OXIDIC SURFACE CONTAINING AN HYDROXYL GROUP AND A MIXTURE OF AT LEAST TWO DISTINCT SILANES, ONE OF WHICH IS AN AMINOPROPYLTRIALKOXYSILANE AND ANOTHER OF WHICH IS BIS-AMINOPROPYLTRIALKOXYSILANE OR TRIS-AMINOPROPYLTRIALKOXYSILANE, THE ALKYL GROUP OF SAID SILANES HAVING 1 TO 3 CARBON ATOMS THEREIN WHICH EACH SILANE CONTRIBUTING AT LEAST 5 WEIGHT PERCENT TO THE MIXTURE, SAID COMPOSITE ARTICLE CONTAINING A THERMO OR COLD SETTING PHENOLIC RESIN OR THERMO OR COLD SETTING PHENOLIC RESIN MOLDIFIED BY A FURAN COMPOUND SELECTED PHENOLIC RESIN MODIFIED BY A FURAN COMPOUND ALCOHOL AND FURFROM THE GROUP CONSISTING OF FURFURYL ALCOHOL AND FURFURAL.
Claim 2
Dependent Claim 108 words
A COMPOSITE SHAPED ARTICEL CONSISTING ESSENTIALLY OF AN INORGANIC MATERIAL HAVING AN OXIDIC SURFACE CONTAINING AN HYDROXYL GROUP AND A MIXTURE OF AT LEAST TWO DISTINCT SILANES, ONE OF WHICH IS AN AMINOPROPYLTRIALKOXYSILANE AND ANOTHER OF WHICH IS BIS-AMINOPROPYLTRIALKOXYSILANE OR TRIS-AMINOPROPYLTRIALKOXYSILANE, THE ALKYL GROUP OF SAID SILANES HAVING 1 TO 3 CARBON ATOMS THEREIN WHICH EACH SILANE CONTRIBUTING AT LEAST 5 WEIGHT PERCENT TO THE MIXTURE, SAID COMPOSITE ARTICLE CONTAINING A THERMO OR COLD SETTING PHENOLIC RESIN OR THERMO OR COLD SETTING PHENOLIC RESIN MOLDIFIED BY A FURAN COMPOUND SELECTED PHENOLIC RESIN MODIFIED BY A FURAN COMPOUND ALCOHOL AND FURFROM THE GROUP CONSISTING OF FURFURYL ALCOHOL AND FURFURAL.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-11 1978-05-13 1978-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-11 1982-05-13 1982-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-11 1986-05-13 1986-11-12 $7700.00 Window Closed / Lapsed

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