Essex turned the screw on Gloucestershire as they made 400 before leaving the hosts struggling to avoid the follow-on.
All-rounder Greg Smith is moving from Derbyshire to Essex, who have also tied star bowler David Masters to a new deal.
Alex Gidman hit 70 not out to see Gloucestershire to a seven-wicket win over Derbyshire.
Chris Rogers has quit as Derbyshire captain and will be replaced by Greg Smith.
Inclement weather ruined a potentially exciting fourth day between Derbyshire and Northamptonshire.
Derbyshire completed a 185-run victory over Gloucestershire on the final afternoon to go top of Division Two.
Lancashire moved to the brink of the FP Trophy quarter-finals with a 114-run victory over Derbyshire.
Charl Langeveldt and Wavell Hinds were on form as Derbyshire beat Middlesex by seven wickets.
Kolpak all-rounder Greg Smith has signed a new two-year contract with Derbyshire.
England can take great heart from reaching Sunday's Tri-Series final with a tough win over India, says David Lloyd.
Tri-Series in Australia 2015
England win by 3 wickets
David Lloyd raises a glass to the 'Tubby' Taylor wine tour, the BBL and England's showdown with India.
Australia and New Zealand will co-host the 2015 Cricket World Cup from February - here's a taster of what's in store.
England's World Cup opponents will not relish the return of fit-again James Anderson, says Nick Knight.
Bob Willis says AB de Villiers could well be the best batsman of all time after blasting a record ODI ton off 31 balls.
As England fly off to Australia, Nasser Hussain explains why 2015 is a year to savour...
Sky Sports' cricket experts have picked their favourite hundreds from previous World Cups. Do you agree with their choices?