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Robert L Hedworth

from Charlotte, NC
Age ~93

Robert Hedworth Phones & Addresses

  • 3424 Providence Manor Rd, Charlotte, NC 28270 (704) 847-5970
  • Kinnelon, NJ

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Vehicle Records

Robert Hedworth

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Address:
3424 Providence Mnr Rd, Charlotte, NC 28270
VIN:
1G6DM57T770115100
Make:
CADILLAC
Model:
CTS
Year:
2007

Publications

Us Patents

Continuous, Low Pressure Ethynylation Process For The Production Of Butynediol

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US Patent:
4117248, Sep 26, 1978
Filed:
Apr 29, 1977
Appl. No.:
5/792349
Inventors:
J. Lewis Prater - Calvert City KY
Robert L. Hedworth - Kinnelon NJ
Assignee:
GAF Corporation - New York NY
International Classification:
C07C 2900
US Classification:
568855
Abstract:
There is provided herein an improved, more continuous, low pressure ethynylation process for the production of butynediol which comprises first continuously reacting formaldehyde and acetylene in a reaction zone at low pressures, in a stirred aqueous medium, in the presence of a finely-divided ethynylation catalyst, to form a reaction product mixture containing butynediol and catalyst slurry. Then the reaction product mixture is withdrawn and continuously and simultaneously filtered and concentrated to form two streams, a catalyst-free filtrate stream and a flowable, concentrated catalyst slurry stream, the latter being capable of immediate recycling to the reaction zone without further treatment. The filtrate stream containing the butynediol is available for purification and further operations.
Robert L Hedworth from Charlotte, NC, age ~93 Get Report