Germany's Sal Oppenheim denies it in need of help-paper

* Heavy losses from crisis turn screws on bank

* Bank to the rich say no talks about state aid-paper

* Say will stump up cash themselves if needed-paper

FRANKFURT, July 8 (Reuters) - The owners of Sal Oppenheim have thrown cold water on suggestions that Germany's highest-profile bank to the wealthy may need extra capital to stay afloat and have ruled out selling a stake to an investor, according to a newspaper report.

Sal Oppenheim, banker to Germany's wealthiest families, made a number of high-profile investments that buckled in the crisis such as subprime casualty IKB and department store group Arcandor (AROG.DE).

On Wednesday, one source close to the government said that Germany's bank rescue fund Soffin was monitoring the situation in the expectation that the lender would raise fresh capital.

"We feel that we are in a comfortable position from the point of view of capital," co-owner Friedrich Carl Janssen told Handelsblatt, adding that there were no talks with Germany's bank rescue fund Soffin about state aid.

The newspaper said that co-owner Matthias Graf von Krockow signalled that should the situation deteriorate or the bank be required to set aside more capital, its owners would step in -- they have already bankrolled one capital hike.

"The owners have decided to give our complete backing so that we are ready to act at all times," Krockow told the paper.

A spokesman for Sal Oppenheim told Reuters the newspaper interview with the bank's owners was accurate but declined further comment.

Rating agency Fitch recently cut Sal Oppenheim's credit rating to A- from A, citing the ongoing financial crisis after the bank slipped into the red for the first time in its history. Downgrades typically make it more expensive to borrow.

"This crisis hit us harder than we ever would have expected," said Krockow, who added that the market turmoil had put the industry on a "roller coaster ride going down in the dark".