US3020254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resin and molding composition
Assignee: Hooker Chemical Corp
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Filing: 1955-08-09
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Granted: 1962-02-06
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Frank W Less
- 👤 Jay C Searer
- 👤 Eugene C Roeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:43
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/285; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/22; B22C1/2233; B22C1/2246; B22C1/2253; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A MOLDABLE COMPOSITION COMPRISING AS A MAJOR COMPONENT SOLID DISCRETE INERT FILLER PARTICLES, AND AS A MINOR COMPONENT, A THERMOSETTING PHENOLIC RESIN COMPOSITION IN AN AMOUNT FROM ABOUT ONE PERCENT TO ABOUT THIRTY-FIVE PERCENT BY WEIGHT OF THE TOTAL COMPOSITION WHICH COMPRISES (A) THE SOLID COMMINUTED REACTION PRODUCT OF FORMALDEHYDE WITH PHENOL IN THE RATIO OF BETWEEN ABOUT 0.5 AND ABOUT 0.85 MOL FORMALDEHYDE PER MOL OF PHENOL, (B) HEXAMETHYLENETETRAMINE IN AN AMOUNT BETWEEN ABOUT FOUR PERCENT AND ABOUT TWENTY PERCENT BY WEIGHT OF SAID SOLID REACTION PRODUCT (A), AND (C) AN AROMATIC MONOCARBOXYLIC ACID WHICH IMPARTS A HIGH DEGREE OF FLUIDITY TO THE RESIN IN ITS FUSED STATE IN AN AMOUNT RANGING BETWEEN ABOUT 0.5 AND ABOUT TWENTY PERCENT BY WEIGHT OF SAID SOLID REACTION PRODUCT (A), WHEREIN SAID AROMATIC MONOCARBOXYLIC ACID IS SELECTED FROM THE GROUP CONSISTING OF EHTYL BENZOIC ACID, PROPYL BENZOIC ACID, DIALKYL BENZOIC ACIDS, DIHYDROXY BENZOIC, ACIDS, AND AN AROMATIC MONOCARBOXYLIC ACID WHICH HAS THE FORMULA R-AR-COOH WHEREIN R IS A SUBSTITUTENT SELECTED FROM THE GROUP CONSISTING OF H, CH3, AND OH GROUPS, AND WHEREIN AR IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL, PHENYL-ALKYL, PHENYL-ALKENYL CONTAINING LESS THAN SIX CARBON ATOMS IN THE ALKENYL GROUPS, AND NAPHTHYL,
Claim 2
Dependent Claim
205 words
A MOLDABLE COMPOSITION COMPRISING AS A MAJOR COMPONENT SOLID DISCRETE INERT FILLER PARTICLES, AND AS A MINOR COMPONENT, A THERMOSETTING PHENOLIC RESIN COMPOSITION IN AN AMOUNT FROM ABOUT ONE PERCENT TO ABOUT THIRTY-FIVE PERCENT BY WEIGHT OF THE TOTAL COMPOSITION WHICH COMPRISES (A) THE SOLID COMMINUTED REACTION PRODUCT OF FORMALDEHYDE WITH PHENOL IN THE RATIO OF BETWEEN ABOUT 0.5 AND ABOUT 0.85 MOL FORMALDEHYDE PER MOL OF PHENOL, (B) HEXAMETHYLENETETRAMINE IN AN AMOUNT BETWEEN ABOUT FOUR PERCENT AND ABOUT TWENTY PERCENT BY WEIGHT OF SAID SOLID REACTION PRODUCT (A), AND (C) AN AROMATIC MONOCARBOXYLIC ACID WHICH IMPARTS A HIGH DEGREE OF FLUIDITY TO THE RESIN IN ITS FUSED STATE IN AN AMOUNT RANGING BETWEEN ABOUT 0.5 AND ABOUT TWENTY PERCENT BY WEIGHT OF SAID SOLID REACTION PRODUCT (A), WHEREIN SAID AROMATIC MONOCARBOXYLIC ACID IS SELECTED FROM THE GROUP CONSISTING OF EHTYL BENZOIC ACID, PROPYL BENZOIC ACID, DIALKYL BENZOIC ACIDS, DIHYDROXY BENZOIC, ACIDS, AND AN AROMATIC MONOCARBOXYLIC ACID WHICH HAS THE FORMULA R-AR-COOH WHEREIN R IS A SUBSTITUTENT SELECTED FROM THE GROUP CONSISTING OF H, CH3, AND OH GROUPS, AND WHEREIN AR IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL, PHENYL-ALKYL, PHENYL-ALKENYL CONTAINING LESS THAN SIX CARBON ATOMS IN THE ALKENYL GROUPS, AND NAPHTHYL,
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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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |