For hydroxypropyl methylcellulose (HPMC) products (METHOCELâ¢ E, F, J, and K brand products), propylene oxide is used in addition to methyl chloride to obtain hydroxypropyl substitution on the anhydroglucose units.or hydroxypropyl methylcellulose (HPMC) products (METHOCELâ¢ E, F, J, and K brand products), propylene oxide is used in addition to methyl chloride to obtain hydroxypropyl substitution on the anhydroglucose units.
Mr. Sandman by The Chordettes Songfacts. Mr. Sandman was written by song-writer Pat Ballard and first recorded by The Chordettes. It became the first hit for them, staying at #1 for an amazing seven weeks in 1954 and launching their career. The Chordettes eventually went on to peek into the Top-40 nine times total.
Related Tags. Single by The Chordettes A-side Mr. Sandman' B-side 'I Don't Wanna See You Cryin' Released 1954 Format 45rpm 7-inch vinyl single Recorded 1954 Genre Traditional pop Length 2:22 Label Cadence Records Writer(s) Pat Ballard (Mr.