I work in a facility with a large manufacturing plant and a large number of engineers, lab techs, and manufacturing personnel. Because of the nature of the equipment we produce and the documentation standards we adhere to, when even a relatively minor change has to be made, it often requires that several people be informed of or asked about the issue so that a production deadline can be met.
That said, many of my coworkers are 'talkers' with decades of seniority on me, and they're often engaged in chit-chat or low-priority work discussions when I need to get or pass on important info. They have many years of practice interrupt-proofing their speaking-- it is difficult for me to find a good 'in' with a lot of my coworkers, because there are no significant lulls or pauses in their end of the conversation.
A good example would be me running up them, papers in hand, obviously in a hurry and needing to get or receive information, and the talker will make eye contact, but keep talking as if I had not appeared.
I'm not the shyest person, so I'm not above butting in directly, but does anyone have any recommendations or social/conversational hacks that I can use to bring attention to my issue immediately, and then pass the mic, so to speak, back to whomever was interrupted?