1
Kitson Melanie, Williams Peter Sefton: The catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters.. British Petroleum Co, Bp Chem Int, October 5, 1988: EP0285420-A1 (115 worldwide citation)

An alcohol and/or a carboxylic acid ester is produced from a carboxylic acid or anhydride thereof by reacting the acid or anhydride with hydrogen at elevated temperature in the presence as catalyst of a composition comprising an alloy of (i) at least one noble metal of Group VIII of the Periodic Tab ...


2
Pimblett Gillian, Mclachlan Kenneth Alan, Price Peter John: Ester production by hydrogenation of carboxylic acids and anhydrides.. Bp Chem Int, June 13, 1990: EP0372847-A2 (110 worldwide citation)

A carboxylic acid ester is produced at a selectivity of greater than 50% whilst producing the corresponding alcohol at a selectivity less than 10% from a carboxylic acid or anhydride thereof by reacting the acid or anhydride with hydrogen at elevated temperature in the presence as catalyst of a comp ...


3
Chinh Jean Claude, Filippelli Michel C H, Newton David, Power Michael Bernard: Polymerisation process. Bp Chem Int, March 6, 1996: EP0699213-A1 (91 worldwide citation)

The invention relates to continuous gas fluidised bed polymerisation of olefins, especially ethylene, propylene, or mixtures of these with other alpha olefins, wherein the monomer-containing recycle gas employed to fluidise the bed is cooled to condense out at least some liquid hydrocarbon. The cond ...


4
Mclachlan Kenneth Alan, Williams Peter Sefton: Ester production by hydrogenation of carboxylic acids and anhydrides.. Bp Chem Int, British Petroleum Co, December 5, 1990: EP0400904-A1 (90 worldwide citation)

Carboxylic acid esters are produced from the corresponding C2 to C12 carboxylic acids or anhydrides by hydrogenation at elevated temperature, in the presence of a catalyst comprising (a) an alloy of a Group VIII noble metal and (b) an oxide of a Group IVb element, preferably titania. A preferred cat ...


5
Kitson Melanie, Williams Peter Sefton: Alcohols production by hydrogenation of carboxylic acids.. Bp Chem Int, October 22, 1986: EP0198682-A2 (80 worldwide citation)

An alcohol and/or carboxylic acid ester is (are) produced from a C2 to C12 carboxylic acid by contacting the carboxylic acid at elevated temperature and pressure with hydrogen in the presence of a heterogeneous catalyst characterised in that the catalyst comprises a first component which is either m ...


6
Chapman Geoffrey Bp Chemicals, Grenouiller Bruno Bp Chemicals, Lee Stephen Kevin Bp Chemicals, Power Michael Bernard Bp Chemi: Process for polymerising olefin in gas phase.. Bp Chem Int, Bp Chemicals Snc, November 22, 1995: EP0683176-A1 (57 worldwide citation)

The present invention relates to a process for continuously manufacturing ethylene (co-)polymer in a gaseous phase in a polymerization zone through which passes an essentially gaseous reaction mixture comprising the (co-)monomers(s). In addition the process comprises transferring a mixture (A) forme ...


7
Daire Erick Bp Chemicals S N C, Speakman John Gabriel Bp Chemi: Gas phase olefin polymerization process.. Bp Chem Int, Bp Chemicals Snc, October 23, 1991: EP0453116-A1 (55 worldwide citation)

The present invention relates to an alpha-olefin prepolymer catalytically active in an alpha-olefin (co-)polymerization comprising a transition metal, an organometallic compound and an antistatic agent. The prepolymer can be prepared by contacting the antistatic agent with a catalyst comprising the ...


8
Gelus Emmanuel: Process for polymerising olefin with a ziegler-natta catalyst. Bp Chem Int, March 27, 1996: EP0703246-A1 (54 worldwide citation)

The present invention relates to a process for (co-)polymerizing olefin(s) comprising introducing into a polymerization medium the olefin(s), a titanium-based catalyst of Ziegler-Natta type, an organometallic cocatalyst and a halogenated hydrocarbon compound in an amount effective for increasing the ...


9
Raufast Charles: Fluidised bed discharge device.. Bp Chem Int, December 23, 1987: EP0250169-A2 (53 worldwide citation)

Apparatus for discharging solid particulate products present in a fluidised bed reactor (1) in which the polymerisation or co-polymerisation of alpha-olefins is carried out, consisting of a vessel (4) connected to the reactor (1) by means of a pipe (2) provided with a valve (3) and connected to a re ...


10